<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:095efdcd-a3b7-4acb-8be3-0710a0b1cd22,g:b47967b3-a23b-4a4b-8d52-868302fb868a-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/ConsolidatedCondensedStatementsofStockholdersEquity" xlink:type="simple" xlink:href="amat-20240428.xsd#ConsolidatedCondensedStatementsofStockholdersEquity"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/ConsolidatedCondensedStatementsofStockholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ad5ead9f-7367-40a4-8add-86d524192829" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_d0f67550-25bb-4bfd-8d79-649093e759f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ad5ead9f-7367-40a4-8add-86d524192829" xlink:to="loc_us-gaap_StatementTable_d0f67550-25bb-4bfd-8d79-649093e759f7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_b97feb37-237c-4b15-9826-a21d7bbc7382" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_d0f67550-25bb-4bfd-8d79-649093e759f7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_b97feb37-237c-4b15-9826-a21d7bbc7382" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_b97feb37-237c-4b15-9826-a21d7bbc7382_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b97feb37-237c-4b15-9826-a21d7bbc7382" xlink:to="loc_us-gaap_EquityComponentDomain_b97feb37-237c-4b15-9826-a21d7bbc7382_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b97feb37-237c-4b15-9826-a21d7bbc7382" xlink:to="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_a808b8a4-dd77-497e-9d8e-efd589b8acb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:to="loc_us-gaap_CommonStockMember_a808b8a4-dd77-497e-9d8e-efd589b8acb7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_ebe196f0-8d38-4fb1-a872-b6baea8df180" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_ebe196f0-8d38-4fb1-a872-b6baea8df180" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_37395fe7-4c32-400f-b656-f7e6a861b2df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:to="loc_us-gaap_RetainedEarningsMember_37395fe7-4c32-400f-b656-f7e6a861b2df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_df687302-ea17-436a-8d80-64d60ed2d26a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:to="loc_us-gaap_TreasuryStockCommonMember_df687302-ea17-436a-8d80-64d60ed2d26a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_4dc3611a-2675-46b3-b6aa-f696130be528" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f7954b65-310c-4745-89e9-faa9d198320c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_4dc3611a-2675-46b3-b6aa-f696130be528" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ad5ead9f-7367-40a4-8add-86d524192829" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_3591d78b-8d8b-45dc-a62e-bb5808858435" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_3591d78b-8d8b-45dc-a62e-bb5808858435" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_14a9a096-7891-4ab3-8e40-2c776607d6fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_StockholdersEquity_14a9a096-7891-4ab3-8e40-2c776607d6fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_c22d2289-f192-41ed-9ffb-6010efc59600" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_TreasuryStockCommonShares_c22d2289-f192-41ed-9ffb-6010efc59600" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_1b00919d-752f-4072-a08d-92098fb53f8f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_NetIncomeLoss_1b00919d-752f-4072-a08d-92098fb53f8f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1d6db808-0733-4325-876d-b2788cd1a93d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1d6db808-0733-4325-876d-b2788cd1a93d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_38e4ff30-99aa-4c29-af9f-c7dc1b67e8af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_DividendsCommonStockCash_38e4ff30-99aa-4c29-af9f-c7dc1b67e8af" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_3dddef86-388f-4dc8-bb25-b8a6c5abc705" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_3dddef86-388f-4dc8-bb25-b8a6c5abc705" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_e22072d2-32f0-4da0-85c4-0f56156aeb59" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_e22072d2-32f0-4da0-85c4-0f56156aeb59" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_86853c57-2ef2-44fc-9740-e429b93151aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_86853c57-2ef2-44fc-9740-e429b93151aa" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_a8d86a48-dbe2-41fc-9366-2c0140e3f474" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_a8d86a48-dbe2-41fc-9366-2c0140e3f474" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_6a9de4ce-820a-4794-8b72-97d0936b67c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f89660db-cc82-4692-adb1-9027124acb84" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_6a9de4ce-820a-4794-8b72-97d0936b67c5" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_7e15fb45-95b5-45a7-9871-713b696da0fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_749a3b89-2592-4fb2-b39c-4c9782c7565a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_e6851e4d-cd2e-47bb-b9b9-395ff40e4e10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonShares"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/BasisofPresentationDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#BasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/BasisofPresentationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d4212d77-36a4-4b39-9482-4caa6a9b9b38" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d4212d77-36a4-4b39-9482-4caa6a9b9b38" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_3a56f1de-5537-40e8-a0da-06ae16e35b49" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d4212d77-36a4-4b39-9482-4caa6a9b9b38" xlink:to="loc_srt_RangeAxis_3a56f1de-5537-40e8-a0da-06ae16e35b49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3a56f1de-5537-40e8-a0da-06ae16e35b49_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_3a56f1de-5537-40e8-a0da-06ae16e35b49" xlink:to="loc_srt_RangeMember_3a56f1de-5537-40e8-a0da-06ae16e35b49_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_138b2a4d-7460-4f7f-9ea4-0c8d7604e74a" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_3a56f1de-5537-40e8-a0da-06ae16e35b49" xlink:to="loc_srt_RangeMember_138b2a4d-7460-4f7f-9ea4-0c8d7604e74a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_30cc8801-fd85-4ebf-8c70-6bab2df73b4f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_138b2a4d-7460-4f7f-9ea4-0c8d7604e74a" xlink:to="loc_srt_MinimumMember_30cc8801-fd85-4ebf-8c70-6bab2df73b4f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_a32d7438-6d97-458a-8d7c-3760db7573c2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_138b2a4d-7460-4f7f-9ea4-0c8d7604e74a" xlink:to="loc_srt_MaximumMember_a32d7438-6d97-458a-8d7c-3760db7573c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_579019ff-c8f1-4512-997b-f8808db9c81d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d4212d77-36a4-4b39-9482-4caa6a9b9b38" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_579019ff-c8f1-4512-997b-f8808db9c81d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_579019ff-c8f1-4512-997b-f8808db9c81d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_579019ff-c8f1-4512-997b-f8808db9c81d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_579019ff-c8f1-4512-997b-f8808db9c81d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ca618116-49f1-417d-918b-caa53ae7578b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_579019ff-c8f1-4512-997b-f8808db9c81d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ca618116-49f1-417d-918b-caa53ae7578b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_775b45b8-d277-43ff-8abb-f24ae0f3747b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ca618116-49f1-417d-918b-caa53ae7578b" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_775b45b8-d277-43ff-8abb-f24ae0f3747b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentMember_8eaecea8-3795-4b0c-bff4-44de9dd1d5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ca618116-49f1-417d-918b-caa53ae7578b" xlink:to="loc_us-gaap_EquipmentMember_8eaecea8-3795-4b0c-bff4-44de9dd1d5e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_682404dc-2568-4e83-80f7-9dfa93b110d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d4212d77-36a4-4b39-9482-4caa6a9b9b38" xlink:to="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_682404dc-2568-4e83-80f7-9dfa93b110d4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_682404dc-2568-4e83-80f7-9dfa93b110d4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_682404dc-2568-4e83-80f7-9dfa93b110d4" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_682404dc-2568-4e83-80f7-9dfa93b110d4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_431a6c17-6053-4701-ba3c-27f62c1bfad2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_682404dc-2568-4e83-80f7-9dfa93b110d4" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_431a6c17-6053-4701-ba3c-27f62c1bfad2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceLifeMember_7cacd3b0-4347-405c-9753-a56037f5d837" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ServiceLifeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_431a6c17-6053-4701-ba3c-27f62c1bfad2" xlink:to="loc_us-gaap_ServiceLifeMember_7cacd3b0-4347-405c-9753-a56037f5d837" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_95c63863-fb1b-46c9-b25f-434cf7c94497" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_95c63863-fb1b-46c9-b25f-434cf7c94497" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_PropertyPlantAndEquipmentIncreaseInUsefulLife_6fc5c9d8-1887-4b64-933b-f027150b82d6" xlink:href="amat-20240428.xsd#amat_PropertyPlantAndEquipmentIncreaseInUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:to="loc_amat_PropertyPlantAndEquipmentIncreaseInUsefulLife_6fc5c9d8-1887-4b64-933b-f027150b82d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_d73d01a5-9d5e-4ea8-9f54-49ac55bd2608" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:to="loc_us-gaap_Depreciation_d73d01a5-9d5e-4ea8-9f54-49ac55bd2608" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_f959b944-b126-4bce-b9a4-6187173dc6d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:to="loc_us-gaap_EarningsPerShareBasic_f959b944-b126-4bce-b9a4-6187173dc6d4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_33bf70a5-62e8-407c-8bcd-210261fd157c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_15821ab3-38ec-46b5-9dd4-5c98642f21ae" xlink:to="loc_us-gaap_EarningsPerShareDiluted_33bf70a5-62e8-407c-8bcd-210261fd157c" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/CashCashEquivalentsandInvestmentsSummaryofCashCashEquivalentsandInvestmentsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#CashCashEquivalentsandInvestmentsSummaryofCashCashEquivalentsandInvestmentsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/CashCashEquivalentsandInvestmentsSummaryofCashCashEquivalentsandInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsLineItems_4bb34a86-8a73-4c67-8160-3d657a02bd0e" xlink:href="amat-20240428.xsd#amat_ScheduleofCashCashEquivalentsandInvestmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsTable_c697d4f4-19d6-43f0-b352-c05dd9db5e0e" xlink:href="amat-20240428.xsd#amat_ScheduleofCashCashEquivalentsandInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsLineItems_4bb34a86-8a73-4c67-8160-3d657a02bd0e" xlink:to="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsTable_c697d4f4-19d6-43f0-b352-c05dd9db5e0e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_143900d0-341d-4072-8fbe-e7bd288f1c57" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsTable_c697d4f4-19d6-43f0-b352-c05dd9db5e0e" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_143900d0-341d-4072-8fbe-e7bd288f1c57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_143900d0-341d-4072-8fbe-e7bd288f1c57_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_143900d0-341d-4072-8fbe-e7bd288f1c57" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_143900d0-341d-4072-8fbe-e7bd288f1c57_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_143900d0-341d-4072-8fbe-e7bd288f1c57" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_f9308a85-466a-443b-8788-e05c6f777ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:to="loc_us-gaap_MoneyMarketFundsMember_f9308a85-466a-443b-8788-e05c6f777ee2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_BankCertificatesOfDepositAndTimeDepositsMember_d8fecc73-7ab9-45b0-95ff-9bb2b4f1a888" xlink:href="amat-20240428.xsd#amat_BankCertificatesOfDepositAndTimeDepositsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:to="loc_amat_BankCertificatesOfDepositAndTimeDepositsMember_d8fecc73-7ab9-45b0-95ff-9bb2b4f1a888" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_4904939a-9938-4de6-afed-b54c4d9bc02e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_4904939a-9938-4de6-afed-b54c4d9bc02e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalNotesMember_cec69f78-0b85-413c-9379-f714af30da46" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MunicipalNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:to="loc_us-gaap_MunicipalNotesMember_cec69f78-0b85-413c-9379-f714af30da46" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CommercialPaperCorporateBondsAndMediumTermNotesMember_b8e74737-a772-4b98-979d-55609db40d80" xlink:href="amat-20240428.xsd#amat_CommercialPaperCorporateBondsAndMediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_f4c568c6-f2fe-40ee-9332-23582397dd57" xlink:to="loc_amat_CommercialPaperCorporateBondsAndMediumTermNotesMember_b8e74737-a772-4b98-979d-55609db40d80" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_36a85e1e-48ad-4de8-b36d-77b5b0263246" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsTable_c697d4f4-19d6-43f0-b352-c05dd9db5e0e" xlink:to="loc_us-gaap_FinancialInstrumentAxis_36a85e1e-48ad-4de8-b36d-77b5b0263246" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_36a85e1e-48ad-4de8-b36d-77b5b0263246_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_36a85e1e-48ad-4de8-b36d-77b5b0263246" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_36a85e1e-48ad-4de8-b36d-77b5b0263246_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_5e5e7cfc-ea08-41c8-b3cb-6cb9cf820778" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_36a85e1e-48ad-4de8-b36d-77b5b0263246" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_5e5e7cfc-ea08-41c8-b3cb-6cb9cf820778" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FixedIncomeSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_5e5e7cfc-ea08-41c8-b3cb-6cb9cf820778" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_BankCertificatesOfDepositAndTimeDepositsMember_870a30f8-3ee8-45b3-a910-3007707ea434" xlink:href="amat-20240428.xsd#amat_BankCertificatesOfDepositAndTimeDepositsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:to="loc_amat_BankCertificatesOfDepositAndTimeDepositsMember_870a30f8-3ee8-45b3-a910-3007707ea434" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_ff7c1094-9731-440d-b56f-f0941fdd8b00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_ff7c1094-9731-440d-b56f-f0941fdd8b00" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_2fe4ba3a-82c0-4db4-9fe7-b938694f175d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_2fe4ba3a-82c0-4db4-9fe7-b938694f175d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_a836e87c-7186-4b45-9ad2-fcaabd756128" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_a836e87c-7186-4b45-9ad2-fcaabd756128" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CommercialPaperCorporateBondsAndMediumTermNotesMember_dc21506b-e05f-4855-9ea5-f989ad985af7" xlink:href="amat-20240428.xsd#amat_CommercialPaperCorporateBondsAndMediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:to="loc_amat_CommercialPaperCorporateBondsAndMediumTermNotesMember_dc21506b-e05f-4855-9ea5-f989ad985af7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_673b905d-af35-4605-906f-a23bea1b77aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_211ffb79-3f96-4583-a5d4-5a619bf8a8d3" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_673b905d-af35-4605-906f-a23bea1b77aa" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_PubliclyTradedEquitySecuritiesMember_c9aa8a0d-05af-421b-968a-61707bcc0ff2" xlink:href="amat-20240428.xsd#amat_PubliclyTradedEquitySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_5e5e7cfc-ea08-41c8-b3cb-6cb9cf820778" xlink:to="loc_amat_PubliclyTradedEquitySecuritiesMember_c9aa8a0d-05af-421b-968a-61707bcc0ff2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquityInvestmentsInPrivatelyHeldCompaniesMember_bdd057ac-117e-4eff-9134-7b04d37187d7" xlink:href="amat-20240428.xsd#amat_EquityInvestmentsInPrivatelyHeldCompaniesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_5e5e7cfc-ea08-41c8-b3cb-6cb9cf820778" xlink:to="loc_amat_EquityInvestmentsInPrivatelyHeldCompaniesMember_bdd057ac-117e-4eff-9134-7b04d37187d7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentsAndCashAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsLineItems_4bb34a86-8a73-4c67-8160-3d657a02bd0e" xlink:to="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_f68d449c-809b-4fb9-9131-10f1aa787a95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Cash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_Cash_f68d449c-809b-4fb9-9131-10f1aa787a95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashEquivalentsAtCarryingValue_e74ab91e-07f9-4a90-8564-ca37fc5fd5e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_CashEquivalentsAtCarryingValue_e74ab91e-07f9-4a90-8564-ca37fc5fd5e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_15bb7dcb-430f-4ee6-8a3e-37555b4ee2f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_15bb7dcb-430f-4ee6-8a3e-37555b4ee2f5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fdf9dc88-4167-4f6c-8cab-efddf178796f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fdf9dc88-4167-4f6c-8cab-efddf178796f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_e87eb3c7-207c-451f-bebd-0011665302a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_e87eb3c7-207c-451f-bebd-0011665302a0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_0e3c6e4a-1344-479a-9727-2e9f7f0fe0d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_0e3c6e4a-1344-479a-9727-2e9f7f0fe0d7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_749a4fc3-2237-46b1-bbf7-cb46bd90d2b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_749a4fc3-2237-46b1-bbf7-cb46bd90d2b4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCost_2799c701-c99d-4ad3-82cc-eaff9b4a361c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCost_2799c701-c99d-4ad3-82cc-eaff9b4a361c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquitySecuritiesFVNIAccumulatedUnrealizedGain_fc646afe-fcbe-4dac-9b05-c4684f2f1c77" xlink:href="amat-20240428.xsd#amat_EquitySecuritiesFVNIAccumulatedUnrealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_EquitySecuritiesFVNIAccumulatedUnrealizedGain_fc646afe-fcbe-4dac-9b05-c4684f2f1c77" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquitySecuritiesFVNIAccumulatedUnrealizedLoss_28ca2385-cf0f-47e3-af01-da1ba5a69496" xlink:href="amat-20240428.xsd#amat_EquitySecuritiesFVNIAccumulatedUnrealizedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_EquitySecuritiesFVNIAccumulatedUnrealizedLoss_28ca2385-cf0f-47e3-af01-da1ba5a69496" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_0c1b40f7-182f-4499-8481-56120bba9069" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_0c1b40f7-182f-4499-8481-56120bba9069" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquitySecuritiesWithoutReadilyDeterminableFairValueCost_27d28499-d9b3-4a07-96b3-cd57bcc971c7" xlink:href="amat-20240428.xsd#amat_EquitySecuritiesWithoutReadilyDeterminableFairValueCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_EquitySecuritiesWithoutReadilyDeterminableFairValueCost_27d28499-d9b3-4a07-96b3-cd57bcc971c7" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount_9a92df17-2386-48ac-9c4d-513db9604642" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount_9a92df17-2386-48ac-9c4d-513db9604642" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount_765fc15e-a110-422f-8f2f-30ee29df2f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount_765fc15e-a110-422f-8f2f-30ee29df2f9d" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_556e4178-2f90-407e-ae88-ebec398e89e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_556e4178-2f90-407e-ae88-ebec398e89e7" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueCost_1f003f6a-fee5-4405-a5c5-b0a528657c00" xlink:href="amat-20240428.xsd#amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueCost_1f003f6a-fee5-4405-a5c5-b0a528657c00" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueGrossUnrealizedGain_7d98cd43-1048-4fd8-89f8-224f12b3cc68" xlink:href="amat-20240428.xsd#amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueGrossUnrealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueGrossUnrealizedGain_7d98cd43-1048-4fd8-89f8-224f12b3cc68" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueGrossUnrealizedLosses_94a80923-7cb7-43a0-8a39-149a53fd1f85" xlink:href="amat-20240428.xsd#amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueGrossUnrealizedLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_EquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueGrossUnrealizedLosses_94a80923-7cb7-43a0-8a39-149a53fd1f85" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_ba268bb5-215d-4276-af75-3e4ec06237cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_ba268bb5-215d-4276-af75-3e4ec06237cb" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueCost_a526b15e-cf5c-465c-8f7a-fe0a5f85f8c2" xlink:href="amat-20240428.xsd#amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueCost_a526b15e-cf5c-465c-8f7a-fe0a5f85f8c2" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueAccumulatedGrossUnrealizedGain_1ea9fd9e-4408-4631-8214-3fa53319087b" xlink:href="amat-20240428.xsd#amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueAccumulatedGrossUnrealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueAccumulatedGrossUnrealizedGain_1ea9fd9e-4408-4631-8214-3fa53319087b" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueAccumulatedUnrealizedLoss_c91e079f-bbe6-46bf-b073-74bc32ed043d" xlink:href="amat-20240428.xsd#amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueAccumulatedUnrealizedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValueAccumulatedUnrealizedLoss_c91e079f-bbe6-46bf-b073-74bc32ed043d" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValue_923920db-855b-4890-b9c9-4c9eb5475015" xlink:href="amat-20240428.xsd#amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_DebtSecuritiesAndEquitySecuritiesFVNIAndWithoutReadilyDeterminableFairValue_923920db-855b-4890-b9c9-4c9eb5475015" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CashCashEquivalentsAndInvestmentsCost_6e0b4cc4-7119-4711-9e73-ad66024da6f2" xlink:href="amat-20240428.xsd#amat_CashCashEquivalentsAndInvestmentsCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_CashCashEquivalentsAndInvestmentsCost_6e0b4cc4-7119-4711-9e73-ad66024da6f2" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CashCashEquivalentsAndInvestmentsAccumulatedGrossUnrealizedGainBeforeTax_fc642031-2d99-4d0b-9623-497fb945975b" xlink:href="amat-20240428.xsd#amat_CashCashEquivalentsAndInvestmentsAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_CashCashEquivalentsAndInvestmentsAccumulatedGrossUnrealizedGainBeforeTax_fc642031-2d99-4d0b-9623-497fb945975b" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CashCashEquivalentsAndInvestmentsAccumulatedGrossUnrealizedLossBeforeTax_5b8313d7-3a38-40b2-b553-7a21ab8b0371" xlink:href="amat-20240428.xsd#amat_CashCashEquivalentsAndInvestmentsAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_CashCashEquivalentsAndInvestmentsAccumulatedGrossUnrealizedLossBeforeTax_5b8313d7-3a38-40b2-b553-7a21ab8b0371" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CashCashEquivalentsAndInvestmentsEstimatedFairValue_60704f5b-5679-43d5-9016-8bfdc25d592f" xlink:href="amat-20240428.xsd#amat_CashCashEquivalentsAndInvestmentsEstimatedFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAndCashAbstract_e3009b1d-9901-4da9-bbf7-dc7af1685f0f" xlink:to="loc_amat_CashCashEquivalentsAndInvestmentsEstimatedFairValue_60704f5b-5679-43d5-9016-8bfdc25d592f" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashEquivalents_ca5cd965-2ecd-4f22-889f-5c3a59dac778" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_ScheduleofCashCashEquivalentsandInvestmentsLineItems_4bb34a86-8a73-4c67-8160-3d657a02bd0e" xlink:to="loc_us-gaap_RestrictedCashEquivalents_ca5cd965-2ecd-4f22-889f-5c3a59dac778" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/CashCashEquivalentsandInvestmentsGainLossonEquityInvestmentsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#CashCashEquivalentsandInvestmentsGainLossonEquityInvestmentsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/CashCashEquivalentsandInvestmentsGainLossonEquityInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGainLossOnInvestmentsTable_de9bfc9a-3ba0-4cac-8487-1ae4a0559b0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfGainLossOnInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:to="loc_us-gaap_ScheduleOfGainLossOnInvestmentsTable_de9bfc9a-3ba0-4cac-8487-1ae4a0559b0a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_9ee6141b-c5df-487a-ae6d-99e2c3bbf960" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsTable_de9bfc9a-3ba0-4cac-8487-1ae4a0559b0a" xlink:to="loc_us-gaap_InvestmentTypeAxis_9ee6141b-c5df-487a-ae6d-99e2c3bbf960" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_9ee6141b-c5df-487a-ae6d-99e2c3bbf960_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_9ee6141b-c5df-487a-ae6d-99e2c3bbf960" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_9ee6141b-c5df-487a-ae6d-99e2c3bbf960_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_08938536-29da-4a59-ae31-40f19fbd3419" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_9ee6141b-c5df-487a-ae6d-99e2c3bbf960" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_08938536-29da-4a59-ae31-40f19fbd3419" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_PubliclyTradedEquitySecuritiesMember_5541656e-df39-4b2d-bb70-f7c2b903ed6d" xlink:href="amat-20240428.xsd#amat_PubliclyTradedEquitySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_08938536-29da-4a59-ae31-40f19fbd3419" xlink:to="loc_amat_PubliclyTradedEquitySecuritiesMember_5541656e-df39-4b2d-bb70-f7c2b903ed6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquityInvestmentsInPrivatelyHeldCompaniesMember_aa5e54dc-e7f5-431d-b4eb-286a055d27ab" xlink:href="amat-20240428.xsd#amat_EquityInvestmentsInPrivatelyHeldCompaniesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_08938536-29da-4a59-ae31-40f19fbd3419" xlink:to="loc_amat_EquityInvestmentsInPrivatelyHeldCompaniesMember_aa5e54dc-e7f5-431d-b4eb-286a055d27ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiUnrealizedGain_a407fd8a-84d8-48b1-bca2-21a21db66dca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:to="loc_us-gaap_EquitySecuritiesFvNiUnrealizedGain_a407fd8a-84d8-48b1-bca2-21a21db66dca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiUnrealizedLoss_fdcb8c9c-29ef-4cf5-8f02-df5fe7db4a1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:to="loc_us-gaap_EquitySecuritiesFvNiUnrealizedLoss_fdcb8c9c-29ef-4cf5-8f02-df5fe7db4a1e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedGain_97b16059-b3a1-4f8e-9d8b-bc264143c488" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiRealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedGain_97b16059-b3a1-4f8e-9d8b-bc264143c488" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedLoss_73991b62-5d86-46b9-8cb6-a6b193bd6ac2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiRealizedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedLoss_73991b62-5d86-46b9-8cb6-a6b193bd6ac2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiGainLoss_79510fde-8a7d-4c22-9ebb-ad240c1c1006" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_cd161aa9-3f4a-4c4e-9535-b01f3ee8c0ff" xlink:to="loc_us-gaap_EquitySecuritiesFvNiGainLoss_79510fde-8a7d-4c22-9ebb-ad240c1c1006" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/FairValueMeasurementsAssetsMeasuredatFairValueDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#FairValueMeasurementsAssetsMeasuredatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/FairValueMeasurementsAssetsMeasuredatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e057fc94-364d-4434-ad93-9fee642fe41e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_17015f28-fbc0-44d2-8dff-e9ab1cefcc3a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e057fc94-364d-4434-ad93-9fee642fe41e" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_17015f28-fbc0-44d2-8dff-e9ab1cefcc3a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8abf25b9-bcf6-4c55-88ee-a5d6dcb826b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_17015f28-fbc0-44d2-8dff-e9ab1cefcc3a" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8abf25b9-bcf6-4c55-88ee-a5d6dcb826b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8abf25b9-bcf6-4c55-88ee-a5d6dcb826b0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8abf25b9-bcf6-4c55-88ee-a5d6dcb826b0" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8abf25b9-bcf6-4c55-88ee-a5d6dcb826b0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_342479cb-dcd8-441f-b7bf-b9dc656a69f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8abf25b9-bcf6-4c55-88ee-a5d6dcb826b0" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_342479cb-dcd8-441f-b7bf-b9dc656a69f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_0b2a80c4-b070-4d4c-9160-5bc837c79efe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_342479cb-dcd8-441f-b7bf-b9dc656a69f0" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_0b2a80c4-b070-4d4c-9160-5bc837c79efe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6e88db33-85c8-41dd-a190-4aa76b5c0c27" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_17015f28-fbc0-44d2-8dff-e9ab1cefcc3a" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6e88db33-85c8-41dd-a190-4aa76b5c0c27" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6e88db33-85c8-41dd-a190-4aa76b5c0c27_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6e88db33-85c8-41dd-a190-4aa76b5c0c27" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6e88db33-85c8-41dd-a190-4aa76b5c0c27_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6470922f-f9d2-452c-9071-840e0c2bcf59" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6e88db33-85c8-41dd-a190-4aa76b5c0c27" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6470922f-f9d2-452c-9071-840e0c2bcf59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_2d7fe354-236b-40ff-81ba-916a04d47c6a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6470922f-f9d2-452c-9071-840e0c2bcf59" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_2d7fe354-236b-40ff-81ba-916a04d47c6a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_e11c1a20-678d-4d4b-a2b2-07ff4b44c6e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6470922f-f9d2-452c-9071-840e0c2bcf59" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_e11c1a20-678d-4d4b-a2b2-07ff4b44c6e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_322674a7-1821-4bda-8745-316e170ebcef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_17015f28-fbc0-44d2-8dff-e9ab1cefcc3a" xlink:to="loc_us-gaap_FinancialInstrumentAxis_322674a7-1821-4bda-8745-316e170ebcef" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_322674a7-1821-4bda-8745-316e170ebcef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_322674a7-1821-4bda-8745-316e170ebcef" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_322674a7-1821-4bda-8745-316e170ebcef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_322674a7-1821-4bda-8745-316e170ebcef" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_a593b704-2acf-43c5-b3a9-ef17fde41097" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_us-gaap_MoneyMarketFundsMember_a593b704-2acf-43c5-b3a9-ef17fde41097" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_BankCertificatesOfDepositAndTimeDepositsMember_dc59b433-da6b-46ce-bb53-40d62b3e683c" xlink:href="amat-20240428.xsd#amat_BankCertificatesOfDepositAndTimeDepositsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_amat_BankCertificatesOfDepositAndTimeDepositsMember_dc59b433-da6b-46ce-bb53-40d62b3e683c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_27c19f3f-725b-440c-b702-16061f99f18a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_27c19f3f-725b-440c-b702-16061f99f18a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_3b4b7024-9ffe-4ae0-a6d3-514a2459b10e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_3b4b7024-9ffe-4ae0-a6d3-514a2459b10e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_15944cd6-6b88-4b0d-a586-979b5253b374" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_15944cd6-6b88-4b0d-a586-979b5253b374" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CommercialPaperCorporateBondsAndMediumTermNotesMember_95d858ad-b443-490c-8d7c-e765d6ad7603" xlink:href="amat-20240428.xsd#amat_CommercialPaperCorporateBondsAndMediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_amat_CommercialPaperCorporateBondsAndMediumTermNotesMember_95d858ad-b443-490c-8d7c-e765d6ad7603" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_110356fe-2e30-4fee-a4a3-efcdb647bc71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_110356fe-2e30-4fee-a4a3-efcdb647bc71" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_PubliclyTradedEquitySecuritiesMember_2e18c815-8289-475e-b913-5369aba1bf37" xlink:href="amat-20240428.xsd#amat_PubliclyTradedEquitySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e4fdbd11-7c37-4915-854c-916d74081dbc" xlink:to="loc_amat_PubliclyTradedEquitySecuritiesMember_2e18c815-8289-475e-b913-5369aba1bf37" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_ef609e63-c083-4506-b7f5-0a185298e540" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e057fc94-364d-4434-ad93-9fee642fe41e" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_ef609e63-c083-4506-b7f5-0a185298e540" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_d390a63c-d972-43ad-bf22-11f29c39064a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_ef609e63-c083-4506-b7f5-0a185298e540" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_d390a63c-d972-43ad-bf22-11f29c39064a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_dee959be-5648-41c0-9176-7221ea299807" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_ef609e63-c083-4506-b7f5-0a185298e540" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_dee959be-5648-41c0-9176-7221ea299807" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_f8df2d17-c53e-4c7b-9f41-bddd672ab85e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_ef609e63-c083-4506-b7f5-0a185298e540" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_f8df2d17-c53e-4c7b-9f41-bddd672ab85e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashEquivalents_95fbf503-9e06-47b1-af33-1337fc9db904" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e057fc94-364d-4434-ad93-9fee642fe41e" xlink:to="loc_us-gaap_RestrictedCashEquivalents_95fbf503-9e06-47b1-af33-1337fc9db904" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashEquivalentsAssetStatementOfFinancialPositionExtensibleList_ea0a56d0-a582-48d6-aed6-7bf31368ffbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashEquivalentsAssetStatementOfFinancialPositionExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashEquivalents_95fbf503-9e06-47b1-af33-1337fc9db904" xlink:to="loc_us-gaap_RestrictedCashEquivalentsAssetStatementOfFinancialPositionExtensibleList_ea0a56d0-a582-48d6-aed6-7bf31368ffbf" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#FairValueMeasurementsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_deb45185-e7e0-4cd0-a079-e1f1f956b196" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bf4b60d-c86f-4cc2-a0fc-09265f617623" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_deb45185-e7e0-4cd0-a079-e1f1f956b196" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bf4b60d-c86f-4cc2-a0fc-09265f617623" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_eddf1e9c-7d46-44a8-9fdf-6ec740868e03" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bf4b60d-c86f-4cc2-a0fc-09265f617623" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_eddf1e9c-7d46-44a8-9fdf-6ec740868e03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_eddf1e9c-7d46-44a8-9fdf-6ec740868e03_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_eddf1e9c-7d46-44a8-9fdf-6ec740868e03" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_eddf1e9c-7d46-44a8-9fdf-6ec740868e03_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4f0dc9ff-c439-4736-81c6-bd48dae257f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_eddf1e9c-7d46-44a8-9fdf-6ec740868e03" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4f0dc9ff-c439-4736-81c6-bd48dae257f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_210718b7-907c-4a8a-879d-758cdeca3748" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4f0dc9ff-c439-4736-81c6-bd48dae257f8" xlink:to="loc_us-gaap_SeniorNotesMember_210718b7-907c-4a8a-879d-758cdeca3748" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_debdec39-9b76-4a26-9988-cee78d5863e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bf4b60d-c86f-4cc2-a0fc-09265f617623" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_debdec39-9b76-4a26-9988-cee78d5863e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_debdec39-9b76-4a26-9988-cee78d5863e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_debdec39-9b76-4a26-9988-cee78d5863e6" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_debdec39-9b76-4a26-9988-cee78d5863e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73a9fe81-2144-4e39-baf9-9ca1c9b286af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_debdec39-9b76-4a26-9988-cee78d5863e6" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73a9fe81-2144-4e39-baf9-9ca1c9b286af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_63fad4c5-932d-4d93-9f93-1e5f317ba194" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_73a9fe81-2144-4e39-baf9-9ca1c9b286af" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_63fad4c5-932d-4d93-9f93-1e5f317ba194" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_1cff6378-932f-4491-bd2f-3884b31526a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bf4b60d-c86f-4cc2-a0fc-09265f617623" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_1cff6378-932f-4491-bd2f-3884b31526a1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_1cff6378-932f-4491-bd2f-3884b31526a1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_1cff6378-932f-4491-bd2f-3884b31526a1" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_1cff6378-932f-4491-bd2f-3884b31526a1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_313fa316-8b4c-4c1f-a75a-23d555a95cf0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_1cff6378-932f-4491-bd2f-3884b31526a1" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_313fa316-8b4c-4c1f-a75a-23d555a95cf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_5f7355ea-b315-4c42-af94-8ca445a7259b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_313fa316-8b4c-4c1f-a75a-23d555a95cf0" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_5f7355ea-b315-4c42-af94-8ca445a7259b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5034b677-3aa4-497a-85d7-291ba547e3c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_5f7355ea-b315-4c42-af94-8ca445a7259b" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5034b677-3aa4-497a-85d7-291ba547e3c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount_245ee291-4592-4b2f-ad92-821233dce07c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_deb45185-e7e0-4cd0-a079-e1f1f956b196" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount_245ee291-4592-4b2f-ad92-821233dce07c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_11b6565d-1a5b-4d2d-bf5d-6d782cc1bd4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_deb45185-e7e0-4cd0-a079-e1f1f956b196" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_11b6565d-1a5b-4d2d-bf5d-6d782cc1bd4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_7cd6240e-3515-44ae-af13-7c174a40d30d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_deb45185-e7e0-4cd0-a079-e1f1f956b196" xlink:to="loc_us-gaap_LongTermDebtFairValue_7cd6240e-3515-44ae-af13-7c174a40d30d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesNarrativeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#DerivativeInstrumentsandHedgingActivitiesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_8f1383ac-52fc-4ad8-a612-87dc871295d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_baf93ac5-d600-4a4a-be87-f25dc5c17267" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_8f1383ac-52fc-4ad8-a612-87dc871295d1" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_baf93ac5-d600-4a4a-be87-f25dc5c17267" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_3fcc87bb-e26c-49e3-b6c2-d29a8a5368ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_baf93ac5-d600-4a4a-be87-f25dc5c17267" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_3fcc87bb-e26c-49e3-b6c2-d29a8a5368ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3fcc87bb-e26c-49e3-b6c2-d29a8a5368ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_3fcc87bb-e26c-49e3-b6c2-d29a8a5368ef" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3fcc87bb-e26c-49e3-b6c2-d29a8a5368ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_e70019f2-03b8-4d76-b3e9-300c14fc37bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_3fcc87bb-e26c-49e3-b6c2-d29a8a5368ef" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_e70019f2-03b8-4d76-b3e9-300c14fc37bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_21fbee18-ca88-449c-97e2-e372f5cffcfe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_e70019f2-03b8-4d76-b3e9-300c14fc37bf" xlink:to="loc_us-gaap_ForeignExchangeContractMember_21fbee18-ca88-449c-97e2-e372f5cffcfe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge_1a788d89-f7ad-4e1b-849b-8c6629f76ac6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_8f1383ac-52fc-4ad8-a612-87dc871295d1" xlink:to="loc_us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge_1a788d89-f7ad-4e1b-849b-8c6629f76ac6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimateOfTimeToTransfer1_0efb03eb-623e-4ca6-9b75-95b3f47740c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimateOfTimeToTransfer1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_8f1383ac-52fc-4ad8-a612-87dc871295d1" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimateOfTimeToTransfer1_0efb03eb-623e-4ca6-9b75-95b3f47740c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_2851c3d2-bab7-4083-950e-969e62a888fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_8f1383ac-52fc-4ad8-a612-87dc871295d1" xlink:to="loc_us-gaap_DerivativeNotionalAmount_2851c3d2-bab7-4083-950e-969e62a888fd" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesGainLossonDerivativesinAOCIDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#DerivativeInstrumentsandHedgingActivitiesGainLossonDerivativesinAOCIDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesGainLossonDerivativesinAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_897760a7-2ffc-4603-a2db-efa35be5d542" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_b368c036-a8a6-48b3-b9fb-b8981e4604af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_897760a7-2ffc-4603-a2db-efa35be5d542" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_b368c036-a8a6-48b3-b9fb-b8981e4604af" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_f97f9c05-a429-452c-88c5-a4526e12012d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_b368c036-a8a6-48b3-b9fb-b8981e4604af" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_f97f9c05-a429-452c-88c5-a4526e12012d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_f97f9c05-a429-452c-88c5-a4526e12012d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_f97f9c05-a429-452c-88c5-a4526e12012d" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_f97f9c05-a429-452c-88c5-a4526e12012d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_ef7f86ca-cdc2-458b-8725-4b8cb9b36c1b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_f97f9c05-a429-452c-88c5-a4526e12012d" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_ef7f86ca-cdc2-458b-8725-4b8cb9b36c1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_c9d95d53-b3d1-47e6-aa6a-0bff2f211f8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_ef7f86ca-cdc2-458b-8725-4b8cb9b36c1b" xlink:to="loc_us-gaap_ForeignExchangeContractMember_c9d95d53-b3d1-47e6-aa6a-0bff2f211f8d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_73abc068-18c2-4296-988d-6e865362a9cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_ef7f86ca-cdc2-458b-8725-4b8cb9b36c1b" xlink:to="loc_us-gaap_InterestRateContractMember_73abc068-18c2-4296-988d-6e865362a9cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3244ab4e-6cad-4dbc-ae14-60c055ba1758" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_b368c036-a8a6-48b3-b9fb-b8981e4604af" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3244ab4e-6cad-4dbc-ae14-60c055ba1758" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_3244ab4e-6cad-4dbc-ae14-60c055ba1758_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3244ab4e-6cad-4dbc-ae14-60c055ba1758" xlink:to="loc_us-gaap_HedgingRelationshipDomain_3244ab4e-6cad-4dbc-ae14-60c055ba1758_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_2d928e30-6d66-401a-bcd6-f815659354d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3244ab4e-6cad-4dbc-ae14-60c055ba1758" xlink:to="loc_us-gaap_HedgingRelationshipDomain_2d928e30-6d66-401a-bcd6-f815659354d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_daa0d6e5-5099-4a55-a3c6-ff7b8cb544fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_2d928e30-6d66-401a-bcd6-f815659354d0" xlink:to="loc_us-gaap_CashFlowHedgingMember_daa0d6e5-5099-4a55-a3c6-ff7b8cb544fb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_4622e776-35ca-4766-8680-760a69057287" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_897760a7-2ffc-4603-a2db-efa35be5d542" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_4622e776-35ca-4766-8680-760a69057287" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesDerivativesinStatementsofOperationsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#DerivativeInstrumentsandHedgingActivitiesDerivativesinStatementsofOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesDerivativesinStatementsofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_d4e850e3-ebe4-4fda-9048-b8c318a26a35" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_d4e850e3-ebe4-4fda-9048-b8c318a26a35" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_aa8a6b3e-48ec-490f-a0f8-16d422d74747" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_d4e850e3-ebe4-4fda-9048-b8c318a26a35" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_aa8a6b3e-48ec-490f-a0f8-16d422d74747" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_aa8a6b3e-48ec-490f-a0f8-16d422d74747_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_aa8a6b3e-48ec-490f-a0f8-16d422d74747" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_aa8a6b3e-48ec-490f-a0f8-16d422d74747_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_ce06759b-37e4-493e-8693-dc1b6ebf8321" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_aa8a6b3e-48ec-490f-a0f8-16d422d74747" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_ce06759b-37e4-493e-8693-dc1b6ebf8321" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_eee15191-c842-49f9-801b-9d0104c3bd87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_ce06759b-37e4-493e-8693-dc1b6ebf8321" xlink:to="loc_us-gaap_ForeignExchangeContractMember_eee15191-c842-49f9-801b-9d0104c3bd87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_c88e2ee7-5ea1-4c61-894f-8048f449367f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_ce06759b-37e4-493e-8693-dc1b6ebf8321" xlink:to="loc_us-gaap_InterestRateContractMember_c88e2ee7-5ea1-4c61-894f-8048f449367f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_f0573526-1289-4e9c-8b28-718c2904e06a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_d4e850e3-ebe4-4fda-9048-b8c318a26a35" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_f0573526-1289-4e9c-8b28-718c2904e06a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_f0573526-1289-4e9c-8b28-718c2904e06a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_f0573526-1289-4e9c-8b28-718c2904e06a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_f0573526-1289-4e9c-8b28-718c2904e06a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_f0573526-1289-4e9c-8b28-718c2904e06a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesMember_1077c5e1-3604-4364-9b6d-4f4be5af00aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:to="loc_us-gaap_SalesMember_1077c5e1-3604-4364-9b6d-4f4be5af00aa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_2b3a498b-0a6a-44fe-b47c-447ffce3bada" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:to="loc_us-gaap_CostOfSalesMember_2b3a498b-0a6a-44fe-b47c-447ffce3bada" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_0a4e6dcf-f0be-4625-b361-9d6667be1c29" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_0a4e6dcf-f0be-4625-b361-9d6667be1c29" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_3d165f41-f6be-4be6-a071-a51ef0af10cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_3d165f41-f6be-4be6-a071-a51ef0af10cb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_65cf25c8-4c6f-465a-9650-27dbbdab5a80" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_65cf25c8-4c6f-465a-9650-27dbbdab5a80" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseMember_bc7c05ec-d521-48b0-8f3f-c2f976b1d39f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_598ff0bc-9b11-4a25-88bf-1e3e82cd231b" xlink:to="loc_us-gaap_InterestExpenseMember_bc7c05ec-d521-48b0-8f3f-c2f976b1d39f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0727b97c-efd9-4c8d-9b8a-631964d1b00d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0727b97c-efd9-4c8d-9b8a-631964d1b00d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_fbd44f9d-c85b-431e-90e4-981eed7c3d36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_fbd44f9d-c85b-431e-90e4-981eed7c3d36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_4bb4ae7c-b867-4931-8d8d-292b3cfdfba1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_4bb4ae7c-b867-4931-8d8d-292b3cfdfba1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_1181fd04-2041-42f8-b2ee-2dade57dd7fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_SellingAndMarketingExpense_1181fd04-2041-42f8-b2ee-2dade57dd7fd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_4eaeb7bc-9131-4f74-8e17-eac09e586623" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_4eaeb7bc-9131-4f74-8e17-eac09e586623" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_672743b9-bf02-4c20-b296-67a6ca1d77e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_InterestExpense_672743b9-bf02-4c20-b296-67a6ca1d77e1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_b27f5238-fe94-4216-a5b2-1b1ddeed0854" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_b27f5238-fe94-4216-a5b2-1b1ddeed0854" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax_8e632207-79c1-4609-8fb2-cafdf19cb05c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42ee9ba6-188c-43ad-9830-303bce7928c6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax_8e632207-79c1-4609-8fb2-cafdf19cb05c" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesGainLossRecognizedinIncomeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#DerivativeInstrumentsandHedgingActivitiesGainLossRecognizedinIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/DerivativeInstrumentsandHedgingActivitiesGainLossRecognizedinIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_14062ecd-9d5f-4173-967d-f3ee5b0a3723" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8351d5cb-25c3-47da-85a4-494ff3ad6177" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_14062ecd-9d5f-4173-967d-f3ee5b0a3723" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8351d5cb-25c3-47da-85a4-494ff3ad6177" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_b6b4146f-ef24-45ad-8ee1-3b9c14084bbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8351d5cb-25c3-47da-85a4-494ff3ad6177" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_b6b4146f-ef24-45ad-8ee1-3b9c14084bbf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_b6b4146f-ef24-45ad-8ee1-3b9c14084bbf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_b6b4146f-ef24-45ad-8ee1-3b9c14084bbf" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_b6b4146f-ef24-45ad-8ee1-3b9c14084bbf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_da7a4a61-5502-4b0a-86c8-5cdb3e888a3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_b6b4146f-ef24-45ad-8ee1-3b9c14084bbf" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_da7a4a61-5502-4b0a-86c8-5cdb3e888a3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_a77e4fb1-6fa7-4570-afd7-2018466f3c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_da7a4a61-5502-4b0a-86c8-5cdb3e888a3c" xlink:to="loc_us-gaap_ForeignExchangeContractMember_a77e4fb1-6fa7-4570-afd7-2018466f3c3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TotalReturnSwapMember_063b59a1-5bec-4b72-8938-cb85b6d045c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TotalReturnSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_da7a4a61-5502-4b0a-86c8-5cdb3e888a3c" xlink:to="loc_us-gaap_TotalReturnSwapMember_063b59a1-5bec-4b72-8938-cb85b6d045c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_b8f6873c-1157-46d1-94b6-0c6d9cd371e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8351d5cb-25c3-47da-85a4-494ff3ad6177" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_b8f6873c-1157-46d1-94b6-0c6d9cd371e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_b8f6873c-1157-46d1-94b6-0c6d9cd371e1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_b8f6873c-1157-46d1-94b6-0c6d9cd371e1" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_b8f6873c-1157-46d1-94b6-0c6d9cd371e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1e9d35aa-5d10-4d8e-b1df-218d1aef5386" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_b8f6873c-1157-46d1-94b6-0c6d9cd371e1" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1e9d35aa-5d10-4d8e-b1df-218d1aef5386" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_InterestAndOtherIncomeMemberMember_6130222d-af14-4439-bcb5-dc3cd6ab92c2" xlink:href="amat-20240428.xsd#amat_InterestAndOtherIncomeMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1e9d35aa-5d10-4d8e-b1df-218d1aef5386" xlink:to="loc_amat_InterestAndOtherIncomeMemberMember_6130222d-af14-4439-bcb5-dc3cd6ab92c2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_773ccaa7-7812-4899-9207-9dd8e9bf85ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1e9d35aa-5d10-4d8e-b1df-218d1aef5386" xlink:to="loc_us-gaap_CostOfSalesMember_773ccaa7-7812-4899-9207-9dd8e9bf85ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenseMember_163a6b43-52fa-490f-b3b1-562bf2e8de38" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1e9d35aa-5d10-4d8e-b1df-218d1aef5386" xlink:to="loc_us-gaap_OperatingExpenseMember_163a6b43-52fa-490f-b3b1-562bf2e8de38" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_8bbb20a8-a1cf-4960-958d-308c566a490e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_14062ecd-9d5f-4173-967d-f3ee5b0a3723" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_8bbb20a8-a1cf-4960-958d-308c566a490e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/ContractBalancesandPerformanceObligationsNarrativeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#ContractBalancesandPerformanceObligationsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/ContractBalancesandPerformanceObligationsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_59cb57fe-d021-4826-bd71-707baeff710d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_59cb57fe-d021-4826-bd71-707baeff710d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerDurationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:to="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerDurationDomain_a3cfe847-2fcb-4b9b-8111-6307d97cf05b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerDurationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:to="loc_us-gaap_ContractWithCustomerDurationDomain_a3cfe847-2fcb-4b9b-8111-6307d97cf05b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerDurationDomain_cb502d30-3d4d-4482-becb-a05efd0e342a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerDurationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:to="loc_us-gaap_ContractWithCustomerDurationDomain_cb502d30-3d4d-4482-becb-a05efd0e342a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermContractWithCustomerMember_e1b3e5e5-2709-4fef-89ca-1a1e5c488b02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerDurationDomain_cb502d30-3d4d-4482-becb-a05efd0e342a" xlink:to="loc_us-gaap_LongTermContractWithCustomerMember_e1b3e5e5-2709-4fef-89ca-1a1e5c488b02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d51f529c-7cf9-4da8-8c89-936ae19ff520" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d51f529c-7cf9-4da8-8c89-936ae19ff520" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_c95ceb9b-78d7-43f0-8097-b8ca7849c63e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerAssetCreditLossExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_c95ceb9b-78d7-43f0-8097-b8ca7849c63e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_882c961d-2420-401e-972a-2b8e486c2465" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_882c961d-2420-401e-972a-2b8e486c2465" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_8f6efc8b-8f6e-4e0f-9de2-6c6b2802f507" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_8f6efc8b-8f6e-4e0f-9de2-6c6b2802f507" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_RevenueRemainingPerformanceObligationPercentRecognizedWithinTwelveMonths_e5de72b1-eac9-40ae-bcb8-1616032d3be3" xlink:href="amat-20240428.xsd#amat_RevenueRemainingPerformanceObligationPercentRecognizedWithinTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_amat_RevenueRemainingPerformanceObligationPercentRecognizedWithinTwelveMonths_e5de72b1-eac9-40ae-bcb8-1616032d3be3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_a1b5b73c-1f10-47d0-aa23-da087c23981c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_a1b5b73c-1f10-47d0-aa23-da087c23981c" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/ContractBalancesandPerformanceObligationsNarrativeDetails_1" xlink:type="simple" xlink:href="amat-20240428.xsd#ContractBalancesandPerformanceObligationsNarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/ContractBalancesandPerformanceObligationsNarrativeDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerDurationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_cae21ce3-1fef-4ae9-a1d9-9cc384a77cd8" xlink:to="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerDurationDomain_a3cfe847-2fcb-4b9b-8111-6307d97cf05b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerDurationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:to="loc_us-gaap_ContractWithCustomerDurationDomain_a3cfe847-2fcb-4b9b-8111-6307d97cf05b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerDurationDomain_cb502d30-3d4d-4482-becb-a05efd0e342a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerDurationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerDurationAxis_a3cfe847-2fcb-4b9b-8111-6307d97cf05b" xlink:to="loc_us-gaap_ContractWithCustomerDurationDomain_cb502d30-3d4d-4482-becb-a05efd0e342a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermContractWithCustomerMember_e1b3e5e5-2709-4fef-89ca-1a1e5c488b02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerDurationDomain_cb502d30-3d4d-4482-becb-a05efd0e342a" xlink:to="loc_us-gaap_LongTermContractWithCustomerMember_e1b3e5e5-2709-4fef-89ca-1a1e5c488b02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d51f529c-7cf9-4da8-8c89-936ae19ff520" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d51f529c-7cf9-4da8-8c89-936ae19ff520" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_c95ceb9b-78d7-43f0-8097-b8ca7849c63e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerAssetCreditLossExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_c95ceb9b-78d7-43f0-8097-b8ca7849c63e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_882c961d-2420-401e-972a-2b8e486c2465" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_882c961d-2420-401e-972a-2b8e486c2465" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_8f6efc8b-8f6e-4e0f-9de2-6c6b2802f507" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_8f6efc8b-8f6e-4e0f-9de2-6c6b2802f507" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_RevenueRemainingPerformanceObligationPercentRecognizedWithinTwelveMonths_e5de72b1-eac9-40ae-bcb8-1616032d3be3" xlink:href="amat-20240428.xsd#amat_RevenueRemainingPerformanceObligationPercentRecognizedWithinTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_amat_RevenueRemainingPerformanceObligationPercentRecognizedWithinTwelveMonths_e5de72b1-eac9-40ae-bcb8-1616032d3be3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_a1b5b73c-1f10-47d0-aa23-da087c23981c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_12938488-368c-418b-ae51-60a4b065314c" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_a1b5b73c-1f10-47d0-aa23-da087c23981c" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/BalanceSheetDetailPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#BalanceSheetDetailPropertyPlantandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/BalanceSheetDetailPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_65dac9a0-966a-41b1-ad47-1a8e043ec110" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7395b1bc-6325-4acc-a9cb-d7aed9a07cb8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_65dac9a0-966a-41b1-ad47-1a8e043ec110" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7395b1bc-6325-4acc-a9cb-d7aed9a07cb8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_24a9ddc7-5451-459c-be61-aee3c4660b8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7395b1bc-6325-4acc-a9cb-d7aed9a07cb8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_24a9ddc7-5451-459c-be61-aee3c4660b8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_24a9ddc7-5451-459c-be61-aee3c4660b8e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_24a9ddc7-5451-459c-be61-aee3c4660b8e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_24a9ddc7-5451-459c-be61-aee3c4660b8e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_24a9ddc7-5451-459c-be61-aee3c4660b8e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAndLandImprovementsMember_ae09f70d-5763-4493-8ea7-7520811ef827" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandAndLandImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:to="loc_us-gaap_LandAndLandImprovementsMember_ae09f70d-5763-4493-8ea7-7520811ef827" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_fb6e3712-4a6b-4cd3-996a-66867d1f7346" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_fb6e3712-4a6b-4cd3-996a-66867d1f7346" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_eaa271cb-acc7-4c24-8cfb-e00a2b3c03b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MachineryAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_eaa271cb-acc7-4c24-8cfb-e00a2b3c03b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_e50cbf8b-61f2-4260-aeb2-53714005e7af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_e50cbf8b-61f2-4260-aeb2-53714005e7af" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_dba0c330-631a-4de4-8443-462c6a12d0ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_05efd1c9-c727-4ba3-a73c-0c8db1dbfeb5" xlink:to="loc_us-gaap_ConstructionInProgressMember_dba0c330-631a-4de4-8443-462c6a12d0ac" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_9491b299-4532-49c1-8cf6-c65222dfe0f2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7395b1bc-6325-4acc-a9cb-d7aed9a07cb8" xlink:to="loc_srt_RangeAxis_9491b299-4532-49c1-8cf6-c65222dfe0f2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9491b299-4532-49c1-8cf6-c65222dfe0f2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_9491b299-4532-49c1-8cf6-c65222dfe0f2" xlink:to="loc_srt_RangeMember_9491b299-4532-49c1-8cf6-c65222dfe0f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_396bda8b-cfb4-4d90-be6d-db94cefb2abb" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_9491b299-4532-49c1-8cf6-c65222dfe0f2" xlink:to="loc_srt_RangeMember_396bda8b-cfb4-4d90-be6d-db94cefb2abb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_523cc578-9d10-4907-9d38-38fda1b1dfcc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_396bda8b-cfb4-4d90-be6d-db94cefb2abb" xlink:to="loc_srt_MinimumMember_523cc578-9d10-4907-9d38-38fda1b1dfcc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_0c5849ce-0d98-4d3d-866b-31c565acbf36" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_396bda8b-cfb4-4d90-be6d-db94cefb2abb" xlink:to="loc_srt_MaximumMember_0c5849ce-0d98-4d3d-866b-31c565acbf36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5d39ba14-ce83-4d0b-922b-571a6189739d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_65dac9a0-966a-41b1-ad47-1a8e043ec110" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5d39ba14-ce83-4d0b-922b-571a6189739d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_9d53b015-b3d1-40f6-88e3-ac42406443d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_65dac9a0-966a-41b1-ad47-1a8e043ec110" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_9d53b015-b3d1-40f6-88e3-ac42406443d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_c9b2f21f-3128-47ad-a4b1-0057e17e3cf9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_65dac9a0-966a-41b1-ad47-1a8e043ec110" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_c9b2f21f-3128-47ad-a4b1-0057e17e3cf9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_46995d40-aa75-4f65-8253-b713c9a35323" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_65dac9a0-966a-41b1-ad47-1a8e043ec110" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_46995d40-aa75-4f65-8253-b713c9a35323" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/BalanceSheetDetailNarrativeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#BalanceSheetDetailNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/BalanceSheetDetailNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceLineItems_42237d3f-96fe-47b2-aaf6-f13d61be8cd4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GovernmentAssistanceLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTable_1d0d2b08-3826-42c8-958b-798022911192" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GovernmentAssistanceTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GovernmentAssistanceLineItems_42237d3f-96fe-47b2-aaf6-f13d61be8cd4" xlink:to="loc_us-gaap_GovernmentAssistanceTable_1d0d2b08-3826-42c8-958b-798022911192" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTypeAxis_d6fd7ec0-6bef-4ad6-8494-38d2690d6168" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GovernmentAssistanceTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_GovernmentAssistanceTable_1d0d2b08-3826-42c8-958b-798022911192" xlink:to="loc_us-gaap_GovernmentAssistanceTypeAxis_d6fd7ec0-6bef-4ad6-8494-38d2690d6168" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTypeDomain_d6fd7ec0-6bef-4ad6-8494-38d2690d6168_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GovernmentAssistanceTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GovernmentAssistanceTypeAxis_d6fd7ec0-6bef-4ad6-8494-38d2690d6168" xlink:to="loc_us-gaap_GovernmentAssistanceTypeDomain_d6fd7ec0-6bef-4ad6-8494-38d2690d6168_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTypeDomain_1c89e04b-b2d4-4fe7-928a-39e559240a31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GovernmentAssistanceTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GovernmentAssistanceTypeAxis_d6fd7ec0-6bef-4ad6-8494-38d2690d6168" xlink:to="loc_us-gaap_GovernmentAssistanceTypeDomain_1c89e04b-b2d4-4fe7-928a-39e559240a31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesMember_b8c90be2-0ba9-4ac6-8b0f-1e3a9f732d8e" xlink:href="amat-20240428.xsd#amat_GovernmentAssistanceCapitalExpenditureIncentivesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GovernmentAssistanceTypeDomain_1c89e04b-b2d4-4fe7-928a-39e559240a31" xlink:to="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesMember_b8c90be2-0ba9-4ac6-8b0f-1e3a9f732d8e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesContraDepreciationExpenseMember_02fa2f78-fee1-4e77-b8bf-e93727e4a911" xlink:href="amat-20240428.xsd#amat_GovernmentAssistanceCapitalExpenditureIncentivesContraDepreciationExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesMember_b8c90be2-0ba9-4ac6-8b0f-1e3a9f732d8e" xlink:to="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesContraDepreciationExpenseMember_02fa2f78-fee1-4e77-b8bf-e93727e4a911" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_GovernmentAssistanceOperatingIncentivesReductionToResearchDevelopmentAndEngineeringExpenseMember_e3c4a390-1c9f-48e9-994b-96caad849cb0" xlink:href="amat-20240428.xsd#amat_GovernmentAssistanceOperatingIncentivesReductionToResearchDevelopmentAndEngineeringExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesMember_b8c90be2-0ba9-4ac6-8b0f-1e3a9f732d8e" xlink:to="loc_amat_GovernmentAssistanceOperatingIncentivesReductionToResearchDevelopmentAndEngineeringExpenseMember_e3c4a390-1c9f-48e9-994b-96caad849cb0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_GovernmentAssistanceOperatingIncentivesReductionToIncomeTaxesPayableMember_32f47b69-de95-4bf2-8b4b-63f6eaeb073e" xlink:href="amat-20240428.xsd#amat_GovernmentAssistanceOperatingIncentivesReductionToIncomeTaxesPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_GovernmentAssistanceCapitalExpenditureIncentivesMember_b8c90be2-0ba9-4ac6-8b0f-1e3a9f732d8e" xlink:to="loc_amat_GovernmentAssistanceOperatingIncentivesReductionToIncomeTaxesPayableMember_32f47b69-de95-4bf2-8b4b-63f6eaeb073e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_f7754575-61a9-4b4b-9591-17660de1ec19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_GovernmentAssistanceTable_1d0d2b08-3826-42c8-958b-798022911192" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_f7754575-61a9-4b4b-9591-17660de1ec19" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_f7754575-61a9-4b4b-9591-17660de1ec19_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_f7754575-61a9-4b4b-9591-17660de1ec19" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_f7754575-61a9-4b4b-9591-17660de1ec19_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_dcca778e-c6a9-4f37-b3e9-cf1a154b32ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_f7754575-61a9-4b4b-9591-17660de1ec19" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_dcca778e-c6a9-4f37-b3e9-cf1a154b32ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_fc8d6908-5b04-4ef8-92a8-2f0253634b4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_dcca778e-c6a9-4f37-b3e9-cf1a154b32ac" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_fc8d6908-5b04-4ef8-92a8-2f0253634b4a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_AccruedIncomeTaxesMember_125b24ae-6f50-4f29-b4c7-45cb4de7065a" xlink:href="amat-20240428.xsd#amat_AccruedIncomeTaxesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_dcca778e-c6a9-4f37-b3e9-cf1a154b32ac" xlink:to="loc_amat_AccruedIncomeTaxesMember_125b24ae-6f50-4f29-b4c7-45cb4de7065a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceAmount_801ffb11-bb6e-4a00-9542-8983d040f5a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GovernmentAssistanceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GovernmentAssistanceLineItems_42237d3f-96fe-47b2-aaf6-f13d61be8cd4" xlink:to="loc_us-gaap_GovernmentAssistanceAmount_801ffb11-bb6e-4a00-9542-8983d040f5a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_GovernmentAssistanceAccrualAmount_fb75610d-3725-452b-8f0f-87bae22bc963" xlink:href="amat-20240428.xsd#amat_GovernmentAssistanceAccrualAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GovernmentAssistanceLineItems_42237d3f-96fe-47b2-aaf6-f13d61be8cd4" xlink:to="loc_amat_GovernmentAssistanceAccrualAmount_fb75610d-3725-452b-8f0f-87bae22bc963" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillandOtherIndefinitelivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#GoodwillandIntangibleAssetsScheduleofGoodwillandOtherIndefinitelivedIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillandOtherIndefinitelivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_e06bdab0-fb36-4b12-8d0d-8f8e631601db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_1c297b3c-8c57-4f04-95b8-5634c8c95e99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_e06bdab0-fb36-4b12-8d0d-8f8e631601db" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_1c297b3c-8c57-4f04-95b8-5634c8c95e99" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_3862115b-b6b6-4f63-ab50-669aad19cbb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_1c297b3c-8c57-4f04-95b8-5634c8c95e99" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_3862115b-b6b6-4f63-ab50-669aad19cbb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_3862115b-b6b6-4f63-ab50-669aad19cbb7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3862115b-b6b6-4f63-ab50-669aad19cbb7" xlink:to="loc_us-gaap_SegmentDomain_3862115b-b6b6-4f63-ab50-669aad19cbb7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_942aed84-d15c-470f-8f7a-19c3c5ef2aeb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3862115b-b6b6-4f63-ab50-669aad19cbb7" xlink:to="loc_us-gaap_SegmentDomain_942aed84-d15c-470f-8f7a-19c3c5ef2aeb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SemiconductorSystemsMember_68966de3-c0fe-4ddc-b73d-a9e64f84a519" xlink:href="amat-20240428.xsd#amat_SemiconductorSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_942aed84-d15c-470f-8f7a-19c3c5ef2aeb" xlink:to="loc_amat_SemiconductorSystemsMember_68966de3-c0fe-4ddc-b73d-a9e64f84a519" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_AppliedGlobalServicesMember_ef967a08-3333-4e58-819b-0e9848d6083f" xlink:href="amat-20240428.xsd#amat_AppliedGlobalServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_942aed84-d15c-470f-8f7a-19c3c5ef2aeb" xlink:to="loc_amat_AppliedGlobalServicesMember_ef967a08-3333-4e58-819b-0e9848d6083f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DisplayandAdjacentMarketsMember_d56d45df-3c3d-4c36-8de3-1efdd9365a9a" xlink:href="amat-20240428.xsd#amat_DisplayandAdjacentMarketsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_942aed84-d15c-470f-8f7a-19c3c5ef2aeb" xlink:to="loc_amat_DisplayandAdjacentMarketsMember_d56d45df-3c3d-4c36-8de3-1efdd9365a9a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_be93eec9-4c4c-4706-a3f0-f10e91b0dbb2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_1c297b3c-8c57-4f04-95b8-5634c8c95e99" xlink:to="loc_srt_ConsolidationItemsAxis_be93eec9-4c4c-4706-a3f0-f10e91b0dbb2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_be93eec9-4c4c-4706-a3f0-f10e91b0dbb2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_be93eec9-4c4c-4706-a3f0-f10e91b0dbb2" xlink:to="loc_srt_ConsolidationItemsDomain_be93eec9-4c4c-4706-a3f0-f10e91b0dbb2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_d3aacb14-cbd7-40e2-b070-5651f7dc61df" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_be93eec9-4c4c-4706-a3f0-f10e91b0dbb2" xlink:to="loc_srt_ConsolidationItemsDomain_d3aacb14-cbd7-40e2-b070-5651f7dc61df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_9ef4a3c3-28f4-4757-a71e-e1b84912a802" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_d3aacb14-cbd7-40e2-b070-5651f7dc61df" xlink:to="loc_us-gaap_OperatingSegmentsMember_9ef4a3c3-28f4-4757-a71e-e1b84912a802" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CorporateReconcilingItemsAndEliminationsMember_93e91266-379e-428f-8500-beaad793bcf8" xlink:href="amat-20240428.xsd#amat_CorporateReconcilingItemsAndEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_d3aacb14-cbd7-40e2-b070-5651f7dc61df" xlink:to="loc_amat_CorporateReconcilingItemsAndEliminationsMember_93e91266-379e-428f-8500-beaad793bcf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_c22ab8ef-c3a8-408b-89ff-cceba8ae46fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_e06bdab0-fb36-4b12-8d0d-8f8e631601db" xlink:to="loc_us-gaap_Goodwill_c22ab8ef-c3a8-408b-89ff-cceba8ae46fb" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/GoodwillandIntangibleAssetsScheduleofFinitelivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#GoodwillandIntangibleAssetsScheduleofFinitelivedIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/GoodwillandIntangibleAssetsScheduleofFinitelivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_15c18fe1-152c-4028-97e0-703493ea20e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ce7c920b-b20a-4c91-a51b-532d75dceb53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_15c18fe1-152c-4028-97e0-703493ea20e3" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ce7c920b-b20a-4c91-a51b-532d75dceb53" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_ef14948d-6f97-455d-84ed-5752d511c6e2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ce7c920b-b20a-4c91-a51b-532d75dceb53" xlink:to="loc_srt_ConsolidationItemsAxis_ef14948d-6f97-455d-84ed-5752d511c6e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_ef14948d-6f97-455d-84ed-5752d511c6e2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_ef14948d-6f97-455d-84ed-5752d511c6e2" xlink:to="loc_srt_ConsolidationItemsDomain_ef14948d-6f97-455d-84ed-5752d511c6e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_3fead63a-2ea2-48fa-947e-5ab15c800d45" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_ef14948d-6f97-455d-84ed-5752d511c6e2" xlink:to="loc_srt_ConsolidationItemsDomain_3fead63a-2ea2-48fa-947e-5ab15c800d45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_ba0aaba3-c53a-4f57-912f-c36a22fa9363" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_3fead63a-2ea2-48fa-947e-5ab15c800d45" xlink:to="loc_us-gaap_OperatingSegmentsMember_ba0aaba3-c53a-4f57-912f-c36a22fa9363" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CorporateReconcilingItemsAndEliminationsMember_3ba2a00d-2f24-4835-9773-fb4ee6d5fc51" xlink:href="amat-20240428.xsd#amat_CorporateReconcilingItemsAndEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_3fead63a-2ea2-48fa-947e-5ab15c800d45" xlink:to="loc_amat_CorporateReconcilingItemsAndEliminationsMember_3ba2a00d-2f24-4835-9773-fb4ee6d5fc51" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_127970b5-7616-4f4c-acb9-a38762689269" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ce7c920b-b20a-4c91-a51b-532d75dceb53" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_127970b5-7616-4f4c-acb9-a38762689269" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_127970b5-7616-4f4c-acb9-a38762689269_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_127970b5-7616-4f4c-acb9-a38762689269" xlink:to="loc_us-gaap_SegmentDomain_127970b5-7616-4f4c-acb9-a38762689269_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_a804d430-211e-4b2b-9d68-e0754d2d9851" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_127970b5-7616-4f4c-acb9-a38762689269" xlink:to="loc_us-gaap_SegmentDomain_a804d430-211e-4b2b-9d68-e0754d2d9851" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SemiconductorSystemsMember_d18f9add-c779-4885-89dd-f3362018381f" xlink:href="amat-20240428.xsd#amat_SemiconductorSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_a804d430-211e-4b2b-9d68-e0754d2d9851" xlink:to="loc_amat_SemiconductorSystemsMember_d18f9add-c779-4885-89dd-f3362018381f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_AppliedGlobalServicesMember_360ab320-8865-435f-bf6d-73d5c020ffc2" xlink:href="amat-20240428.xsd#amat_AppliedGlobalServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_a804d430-211e-4b2b-9d68-e0754d2d9851" xlink:to="loc_amat_AppliedGlobalServicesMember_360ab320-8865-435f-bf6d-73d5c020ffc2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DisplayandAdjacentMarketsMember_9a4be7c4-a0f1-45c2-9825-04f896a08079" xlink:href="amat-20240428.xsd#amat_DisplayandAdjacentMarketsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_a804d430-211e-4b2b-9d68-e0754d2d9851" xlink:to="loc_amat_DisplayandAdjacentMarketsMember_9a4be7c4-a0f1-45c2-9825-04f896a08079" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_66224d12-5abb-4e62-871e-89b44780988f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_15c18fe1-152c-4028-97e0-703493ea20e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_66224d12-5abb-4e62-871e-89b44780988f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_c3c3ec99-ab59-43aa-9713-1d012498bdb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_66224d12-5abb-4e62-871e-89b44780988f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_c3c3ec99-ab59-43aa-9713-1d012498bdb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_ed81a0f7-c1cf-4d31-95bf-9d9871a9ec5b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_66224d12-5abb-4e62-871e-89b44780988f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_ed81a0f7-c1cf-4d31-95bf-9d9871a9ec5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8de24c2d-f1ec-434c-b555-ee55060d2b1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_66224d12-5abb-4e62-871e-89b44780988f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8de24c2d-f1ec-434c-b555-ee55060d2b1f" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/BorrowingFacilitiesandDebtNarrativeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#BorrowingFacilitiesandDebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/BorrowingFacilitiesandDebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_c89b0c6f-31f9-4596-8bfa-6447db4f53a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_DebtInstrumentTable_c89b0c6f-31f9-4596-8bfa-6447db4f53a6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_c028c428-fd86-4461-984d-b84c84239efc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c89b0c6f-31f9-4596-8bfa-6447db4f53a6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_c028c428-fd86-4461-984d-b84c84239efc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c028c428-fd86-4461-984d-b84c84239efc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c028c428-fd86-4461-984d-b84c84239efc" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c028c428-fd86-4461-984d-b84c84239efc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_fefc4390-e8f6-422d-8036-83df5b97193b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c028c428-fd86-4461-984d-b84c84239efc" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_fefc4390-e8f6-422d-8036-83df5b97193b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_d0ea20a7-68b5-4e7b-9ecf-b4c9024e80c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_fefc4390-e8f6-422d-8036-83df5b97193b" xlink:to="loc_us-gaap_UnsecuredDebtMember_d0ea20a7-68b5-4e7b-9ecf-b4c9024e80c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_eda8a4c3-d4c4-48c9-a5d9-cbe3fd66a6ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c89b0c6f-31f9-4596-8bfa-6447db4f53a6" xlink:to="loc_us-gaap_CreditFacilityAxis_eda8a4c3-d4c4-48c9-a5d9-cbe3fd66a6ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_eda8a4c3-d4c4-48c9-a5d9-cbe3fd66a6ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_eda8a4c3-d4c4-48c9-a5d9-cbe3fd66a6ef" xlink:to="loc_us-gaap_CreditFacilityDomain_eda8a4c3-d4c4-48c9-a5d9-cbe3fd66a6ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_7e938bb4-c6d3-48f8-a9de-ab818cd64c61" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_eda8a4c3-d4c4-48c9-a5d9-cbe3fd66a6ef" xlink:to="loc_us-gaap_CreditFacilityDomain_7e938bb4-c6d3-48f8-a9de-ab818cd64c61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_ac59eea4-67b1-42a8-a502-7fa37b5f1769" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_7e938bb4-c6d3-48f8-a9de-ab818cd64c61" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_ac59eea4-67b1-42a8-a502-7fa37b5f1769" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_d0ba1e0e-faff-4c5e-b332-5efd1ce02d27" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignLineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_7e938bb4-c6d3-48f8-a9de-ab818cd64c61" xlink:to="loc_us-gaap_ForeignLineOfCreditMember_d0ba1e0e-faff-4c5e-b332-5efd1ce02d27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_188e36f8-ae8f-4a0b-a56e-c63eb3328150" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c89b0c6f-31f9-4596-8bfa-6447db4f53a6" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_188e36f8-ae8f-4a0b-a56e-c63eb3328150" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_188e36f8-ae8f-4a0b-a56e-c63eb3328150_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_188e36f8-ae8f-4a0b-a56e-c63eb3328150" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_188e36f8-ae8f-4a0b-a56e-c63eb3328150_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_e2d33040-e06a-439a-b8fd-443acc108391" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_188e36f8-ae8f-4a0b-a56e-c63eb3328150" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_e2d33040-e06a-439a-b8fd-443acc108391" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_9a8d816b-4dd9-49b0-afe5-8b8316f98469" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_e2d33040-e06a-439a-b8fd-443acc108391" xlink:to="loc_us-gaap_CommercialPaperMember_9a8d816b-4dd9-49b0-afe5-8b8316f98469" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_10b25b00-9999-4c80-8cd5-1b7e5110a67b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_DebtInstrumentTerm_10b25b00-9999-4c80-8cd5-1b7e5110a67b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_398f566b-4981-41f9-900d-64c406e3b832" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_398f566b-4981-41f9-900d-64c406e3b832" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_LineOfCreditFacilityAccordionFeatureIncreaseLimit_d8017928-d79d-418b-8e6e-13c449ccadc5" xlink:href="amat-20240428.xsd#amat_LineOfCreditFacilityAccordionFeatureIncreaseLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_amat_LineOfCreditFacilityAccordionFeatureIncreaseLimit_d8017928-d79d-418b-8e6e-13c449ccadc5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_55245530-4abb-4d4c-8639-c94a636d6b3c" xlink:href="amat-20240428.xsd#amat_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_amat_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_55245530-4abb-4d4c-8639-c94a636d6b3c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_1dd351aa-56c6-45ba-9c64-e04a02720abf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_LineOfCredit_1dd351aa-56c6-45ba-9c64-e04a02720abf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CommercialPaperProgramAmount_672b4600-8956-43e8-974e-99236564fb15" xlink:href="amat-20240428.xsd#amat_CommercialPaperProgramAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_amat_CommercialPaperProgramAmount_672b4600-8956-43e8-974e-99236564fb15" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_8ec8ba2b-4fef-43f5-b54b-cae93bcce34d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_ShortTermBorrowings_8ec8ba2b-4fef-43f5-b54b-cae93bcce34d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_b5f5a591-21ec-4bcd-af1b-6bbabd5e5aa2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_b5f5a591-21ec-4bcd-af1b-6bbabd5e5aa2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityThresholdPeriodPastDue_16150c08-7654-4b6d-a98b-ce8f50b62fa2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtSecuritiesHeldToMaturityThresholdPeriodPastDue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fbd551b8-c8b8-4f13-8fb7-69c0d7a7523f" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityThresholdPeriodPastDue_16150c08-7654-4b6d-a98b-ce8f50b62fa2" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/BorrowingFacilitiesandDebtDebtOutstandingDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#BorrowingFacilitiesandDebtDebtOutstandingDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/BorrowingFacilitiesandDebtDebtOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_7030869d-1b3d-4572-bc87-39b2c5e810a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_DebtInstrumentTable_7030869d-1b3d-4572-bc87-39b2c5e810a2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_c143c03e-0317-45c9-9dd0-173229c81fe2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7030869d-1b3d-4572-bc87-39b2c5e810a2" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_c143c03e-0317-45c9-9dd0-173229c81fe2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c143c03e-0317-45c9-9dd0-173229c81fe2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c143c03e-0317-45c9-9dd0-173229c81fe2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c143c03e-0317-45c9-9dd0-173229c81fe2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e53fca1d-de81-41d6-aa1e-59d4d54ed1f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c143c03e-0317-45c9-9dd0-173229c81fe2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e53fca1d-de81-41d6-aa1e-59d4d54ed1f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_6e9fbb19-9986-408f-b539-a97a3efe6a1b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_e53fca1d-de81-41d6-aa1e-59d4d54ed1f7" xlink:to="loc_us-gaap_SeniorNotesMember_6e9fbb19-9986-408f-b539-a97a3efe6a1b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_7f48f3be-a356-4416-991c-cabb64bbb92b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7030869d-1b3d-4572-bc87-39b2c5e810a2" xlink:to="loc_us-gaap_DebtInstrumentAxis_7f48f3be-a356-4416-991c-cabb64bbb92b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7f48f3be-a356-4416-991c-cabb64bbb92b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_7f48f3be-a356-4416-991c-cabb64bbb92b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7f48f3be-a356-4416-991c-cabb64bbb92b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_7f48f3be-a356-4416-991c-cabb64bbb92b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_ThreePointNineZeroPercentUnsecuredSeniorNotesDue2025InterestPayableApril1AndOctober1Member_26334d43-b2a3-448b-a509-efe4675c3b81" xlink:href="amat-20240428.xsd#amat_ThreePointNineZeroPercentUnsecuredSeniorNotesDue2025InterestPayableApril1AndOctober1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_ThreePointNineZeroPercentUnsecuredSeniorNotesDue2025InterestPayableApril1AndOctober1Member_26334d43-b2a3-448b-a509-efe4675c3b81" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_ThreePointThreeZeroZeroPercentUnsecuredSeniorNotesDue2027InterestPayableApril1AndOctober1Member_943feb72-7405-415c-b541-32d4cca945f9" xlink:href="amat-20240428.xsd#amat_ThreePointThreeZeroZeroPercentUnsecuredSeniorNotesDue2027InterestPayableApril1AndOctober1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_ThreePointThreeZeroZeroPercentUnsecuredSeniorNotesDue2027InterestPayableApril1AndOctober1Member_943feb72-7405-415c-b541-32d4cca945f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_OnePointSeventyFivePercentUnsecuredSeniorNotesDue2030InterestPayableJune1AndDecember1Member_a55a2c55-9921-4ed8-b9af-e15ea9f8079d" xlink:href="amat-20240428.xsd#amat_OnePointSeventyFivePercentUnsecuredSeniorNotesDue2030InterestPayableJune1AndDecember1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_OnePointSeventyFivePercentUnsecuredSeniorNotesDue2030InterestPayableJune1AndDecember1Member_a55a2c55-9921-4ed8-b9af-e15ea9f8079d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_FivePointOneZeroZeroPercentUnsecuredSeniorNotesDue2035InterestPayableApril1AndOctober1Member_b78a90db-2f5a-4952-8cc0-8cd0f6bee5c7" xlink:href="amat-20240428.xsd#amat_FivePointOneZeroZeroPercentUnsecuredSeniorNotesDue2035InterestPayableApril1AndOctober1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_FivePointOneZeroZeroPercentUnsecuredSeniorNotesDue2035InterestPayableApril1AndOctober1Member_b78a90db-2f5a-4952-8cc0-8cd0f6bee5c7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_FivePointEightFiveZeroPercentUnsecuredSeniorNotesDue2041InterestPayableJune15AndDecember15Member_c25352fe-8b0c-4642-bd2a-929fdd3e90ec" xlink:href="amat-20240428.xsd#amat_FivePointEightFiveZeroPercentUnsecuredSeniorNotesDue2041InterestPayableJune15AndDecember15Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_FivePointEightFiveZeroPercentUnsecuredSeniorNotesDue2041InterestPayableJune15AndDecember15Member_c25352fe-8b0c-4642-bd2a-929fdd3e90ec" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_FourPointThreeFiveZeroPercentUnsecuredSeniorNotesDue2047InterestPayableApril1AndOctober1Member_60678ace-8222-4262-8727-488d5f1e96bf" xlink:href="amat-20240428.xsd#amat_FourPointThreeFiveZeroPercentUnsecuredSeniorNotesDue2047InterestPayableApril1AndOctober1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_FourPointThreeFiveZeroPercentUnsecuredSeniorNotesDue2047InterestPayableApril1AndOctober1Member_60678ace-8222-4262-8727-488d5f1e96bf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_TwoPointSeventyFivePercentUnsecuredSeniorNotesDue2050InterestPayableJune1AndDecember1Member_39100973-8dcb-419e-8b69-fc1ab614295f" xlink:href="amat-20240428.xsd#amat_TwoPointSeventyFivePercentUnsecuredSeniorNotesDue2050InterestPayableJune1AndDecember1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5120a62-6ed5-4058-b996-25db6be557be" xlink:to="loc_amat_TwoPointSeventyFivePercentUnsecuredSeniorNotesDue2050InterestPayableJune1AndDecember1Member_39100973-8dcb-419e-8b69-fc1ab614295f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_19238530-5be8-4eba-875a-e3fc52c7f6de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_19238530-5be8-4eba-875a-e3fc52c7f6de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_6a0d3ac4-8ba9-4725-be06-20fdf6e62616" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_6a0d3ac4-8ba9-4725-be06-20fdf6e62616" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_99d40f2c-3665-4e1a-b0ed-0c97f04cc1ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_99d40f2c-3665-4e1a-b0ed-0c97f04cc1ab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_c2cca112-e2fa-4510-9a9a-8e94e11c231c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_c2cca112-e2fa-4510-9a9a-8e94e11c231c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_0b6c728c-d5a8-4ab1-8ebe-865b4f69ee5f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_0b6c728c-d5a8-4ab1-8ebe-865b4f69ee5f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_aff3606a-97f8-44ad-823f-66e4d2fc3cbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83b17b68-2d2a-4d0a-8ef9-b34185c49a03" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_aff3606a-97f8-44ad-823f-66e4d2fc3cbd" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationChangesinComponentsofAOCIDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#StockholdersEquityComprehensiveIncomeandShareBasedCompensationChangesinComponentsofAOCIDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationChangesinComponentsofAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_c3635b31-daf2-4ad2-b222-00dc5dca350d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1328953e-c100-4851-a7a5-628dfd7c3e66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_c3635b31-daf2-4ad2-b222-00dc5dca350d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1328953e-c100-4851-a7a5-628dfd7c3e66" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_d7145da6-ff7c-43f8-8104-c117babb28d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1328953e-c100-4851-a7a5-628dfd7c3e66" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_d7145da6-ff7c-43f8-8104-c117babb28d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_d7145da6-ff7c-43f8-8104-c117babb28d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_d7145da6-ff7c-43f8-8104-c117babb28d9" xlink:to="loc_us-gaap_EquityComponentDomain_d7145da6-ff7c-43f8-8104-c117babb28d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_b86a336b-97af-440d-818e-48f5e21aaaff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_d7145da6-ff7c-43f8-8104-c117babb28d9" xlink:to="loc_us-gaap_EquityComponentDomain_b86a336b-97af-440d-818e-48f5e21aaaff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_cf7bbbbe-fd24-4805-968d-d47eb4cb2cc1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_b86a336b-97af-440d-818e-48f5e21aaaff" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_cf7bbbbe-fd24-4805-968d-d47eb4cb2cc1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_1523cc51-46d1-4413-aa08-ae9e72175d26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_cf7bbbbe-fd24-4805-968d-d47eb4cb2cc1" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_1523cc51-46d1-4413-aa08-ae9e72175d26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_6b16de41-c69f-42b7-a931-b404565b3592" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_cf7bbbbe-fd24-4805-968d-d47eb4cb2cc1" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_6b16de41-c69f-42b7-a931-b404565b3592" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_0461a5ca-60c2-4ca6-b72f-be32b5a35618" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_cf7bbbbe-fd24-4805-968d-d47eb4cb2cc1" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_0461a5ca-60c2-4ca6-b72f-be32b5a35618" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4dc57768-3ff3-489e-a89f-634a37bd2fc0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_cf7bbbbe-fd24-4805-968d-d47eb4cb2cc1" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4dc57768-3ff3-489e-a89f-634a37bd2fc0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_f8ae3136-b648-45e9-9aa2-cba4a014e532" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_c3635b31-daf2-4ad2-b222-00dc5dca350d" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_f8ae3136-b648-45e9-9aa2-cba4a014e532" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_530ed252-fa68-4fbd-8fa4-2afaa511118b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_f8ae3136-b648-45e9-9aa2-cba4a014e532" xlink:to="loc_us-gaap_StockholdersEquity_530ed252-fa68-4fbd-8fa4-2afaa511118b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_160d4872-a38b-4bc8-aa22-940cc4b2a59b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_f8ae3136-b648-45e9-9aa2-cba4a014e532" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_160d4872-a38b-4bc8-aa22-940cc4b2a59b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_d8a77da7-f89d-493b-b0ba-30e448d8a723" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_f8ae3136-b648-45e9-9aa2-cba4a014e532" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_d8a77da7-f89d-493b-b0ba-30e448d8a723" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2181c45e-53ee-4118-a36c-69e762e5ed53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_f8ae3136-b648-45e9-9aa2-cba4a014e532" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2181c45e-53ee-4118-a36c-69e762e5ed53" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_1c045f0d-40c5-4a7c-aae7-39ebb011b0fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#StockholdersEquityComprehensiveIncomeandShareBasedCompensationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:href="amat-20240428.xsd#amat_EquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EquityTable_b9dcf6bf-345f-4fbc-bda6-058847bb3889" xlink:href="amat-20240428.xsd#amat_EquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_EquityTable_b9dcf6bf-345f-4fbc-bda6-058847bb3889" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_e13d1412-c672-4407-9798-1d3e0b6443a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amat_EquityTable_b9dcf6bf-345f-4fbc-bda6-058847bb3889" xlink:to="loc_us-gaap_AwardTypeAxis_e13d1412-c672-4407-9798-1d3e0b6443a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e13d1412-c672-4407-9798-1d3e0b6443a2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_e13d1412-c672-4407-9798-1d3e0b6443a2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e13d1412-c672-4407-9798-1d3e0b6443a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d0b7aa39-4de7-4613-ba3c-7262b19fd17f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_e13d1412-c672-4407-9798-1d3e0b6443a2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d0b7aa39-4de7-4613-ba3c-7262b19fd17f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_c849d543-af37-4b08-a54d-a7baf740123a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d0b7aa39-4de7-4613-ba3c-7262b19fd17f" xlink:to="loc_us-gaap_EmployeeStockMember_c849d543-af37-4b08-a54d-a7baf740123a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_d795b62f-8bd3-4f44-a870-d0fd5206de06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d0b7aa39-4de7-4613-ba3c-7262b19fd17f" xlink:to="loc_us-gaap_PerformanceSharesMember_d795b62f-8bd3-4f44-a870-d0fd5206de06" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_40a37b15-bbe5-442a-bec8-1a0ae9db2c79" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amat_EquityTable_b9dcf6bf-345f-4fbc-bda6-058847bb3889" xlink:to="loc_us-gaap_PlanNameAxis_40a37b15-bbe5-442a-bec8-1a0ae9db2c79" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_40a37b15-bbe5-442a-bec8-1a0ae9db2c79_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_40a37b15-bbe5-442a-bec8-1a0ae9db2c79" xlink:to="loc_us-gaap_PlanNameDomain_40a37b15-bbe5-442a-bec8-1a0ae9db2c79_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_be7e2f90-5ddc-4df5-a139-ab4add21fa22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_40a37b15-bbe5-442a-bec8-1a0ae9db2c79" xlink:to="loc_us-gaap_PlanNameDomain_be7e2f90-5ddc-4df5-a139-ab4add21fa22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EmployeeStockIncentivePlanMember_fb6b621b-ecee-4e18-bc6f-c9d9de292984" xlink:href="amat-20240428.xsd#amat_EmployeeStockIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_be7e2f90-5ddc-4df5-a139-ab4add21fa22" xlink:to="loc_amat_EmployeeStockIncentivePlanMember_fb6b621b-ecee-4e18-bc6f-c9d9de292984" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EmployeeStockPurchasePlanMember_8df04818-ebc8-42ad-8d1c-b991d54bcb10" xlink:href="amat-20240428.xsd#amat_EmployeeStockPurchasePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_be7e2f90-5ddc-4df5-a139-ab4add21fa22" xlink:to="loc_amat_EmployeeStockPurchasePlanMember_8df04818-ebc8-42ad-8d1c-b991d54bcb10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_19dd9892-2b8b-4cba-b411-c9aa5789b17c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amat_EquityTable_b9dcf6bf-345f-4fbc-bda6-058847bb3889" xlink:to="loc_srt_RangeAxis_19dd9892-2b8b-4cba-b411-c9aa5789b17c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_19dd9892-2b8b-4cba-b411-c9aa5789b17c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_19dd9892-2b8b-4cba-b411-c9aa5789b17c" xlink:to="loc_srt_RangeMember_19dd9892-2b8b-4cba-b411-c9aa5789b17c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_740b9aaf-7cb0-444f-b454-aa1025ef127d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_19dd9892-2b8b-4cba-b411-c9aa5789b17c" xlink:to="loc_srt_RangeMember_740b9aaf-7cb0-444f-b454-aa1025ef127d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_a19bcaa5-8f04-40e0-90fe-9a8a2dc282ea" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_740b9aaf-7cb0-444f-b454-aa1025ef127d" xlink:to="loc_srt_MinimumMember_a19bcaa5-8f04-40e0-90fe-9a8a2dc282ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_96d980a9-73c9-436d-9722-02aa1122dc45" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_740b9aaf-7cb0-444f-b454-aa1025ef127d" xlink:to="loc_srt_MaximumMember_96d980a9-73c9-436d-9722-02aa1122dc45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_ba777dcc-86ce-4556-b38c-ad004c4ebe1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_ba777dcc-86ce-4556-b38c-ad004c4ebe1f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_9b1cb55b-6610-4913-a3c3-bc19c013a626" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_9b1cb55b-6610-4913-a3c3-bc19c013a626" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_23eb1f60-4b4a-4573-9dab-286a52aa3ee3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_23eb1f60-4b4a-4573-9dab-286a52aa3ee3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_3e99893c-6913-4c1a-96f1-db6f8149b6b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_PaymentsOfDividends_3e99893c-6913-4c1a-96f1-db6f8149b6b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EmployeeServiceSharebasedCompensationNonvestedAwardsPerformanceOfTotalShareholderReturnPercent_24eaf3d3-1947-4fb9-b8d4-2997da18d2c6" xlink:href="amat-20240428.xsd#amat_EmployeeServiceSharebasedCompensationNonvestedAwardsPerformanceOfTotalShareholderReturnPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_EmployeeServiceSharebasedCompensationNonvestedAwardsPerformanceOfTotalShareholderReturnPercent_24eaf3d3-1947-4fb9-b8d4-2997da18d2c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_0c3da387-6649-4458-bacb-757cf83f9b8f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_0c3da387-6649-4458-bacb-757cf83f9b8f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c3d20eb4-070d-4e62-8155-5b7fcdac7cd1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_c3d20eb4-070d-4e62-8155-5b7fcdac7cd1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_afeda9e4-0e1a-455b-87fb-2a79328797cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_afeda9e4-0e1a-455b-87fb-2a79328797cf" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_AdditionalPerformanceBasedAwardsToBeEarnedUponCertainLevelsOfAchievement_df42da3e-1ef5-4f6b-a392-fe57eb1a833b" xlink:href="amat-20240428.xsd#amat_AdditionalPerformanceBasedAwardsToBeEarnedUponCertainLevelsOfAchievement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_AdditionalPerformanceBasedAwardsToBeEarnedUponCertainLevelsOfAchievement_df42da3e-1ef5-4f6b-a392-fe57eb1a833b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardMeasurementMetricRelativeWeightPercent_095f9a8f-ccdf-4b69-b686-582a0280712b" xlink:href="amat-20240428.xsd#amat_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardMeasurementMetricRelativeWeightPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardMeasurementMetricRelativeWeightPercent_095f9a8f-ccdf-4b69-b686-582a0280712b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardMeasurementPeriod_2bf0a8d7-d2d1-43d6-a684-b4b71043a65e" xlink:href="amat-20240428.xsd#amat_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardMeasurementPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardMeasurementPeriod_2bf0a8d7-d2d1-43d6-a684-b4b71043a65e" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentageOfTargetAmount_839366b9-3098-472d-ae40-98ac2f744d9e" xlink:href="amat-20240428.xsd#amat_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentageOfTargetAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentageOfTargetAmount_839366b9-3098-472d-ae40-98ac2f744d9e" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_7ad777b3-629e-4b7b-ad0b-d9b5ee966447" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_7ad777b3-629e-4b7b-ad0b-d9b5ee966447" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EmployeeStockPurchasePlanESPPPurchasePeriod_6898b191-1244-4a84-8ec5-5bde1d489e42" xlink:href="amat-20240428.xsd#amat_EmployeeStockPurchasePlanESPPPurchasePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_amat_EmployeeStockPurchasePlanESPPPurchasePeriod_6898b191-1244-4a84-8ec5-5bde1d489e42" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_2e0304c2-c412-4b57-99ce-12437276e1aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amat_EquityLineItems_11bb6810-b22f-4b7e-a6c9-902dba924851" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_2e0304c2-c412-4b57-99ce-12437276e1aa" xlink:type="arc" order="14"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationShareBasedCompensationDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#StockholdersEquityComprehensiveIncomeandShareBasedCompensationShareBasedCompensationDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationShareBasedCompensationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_014ea5c7-fec4-48bf-8fdd-4a3a23a30843" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_402b0df0-5f7f-448a-9897-c9e8bc783742" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_014ea5c7-fec4-48bf-8fdd-4a3a23a30843" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_402b0df0-5f7f-448a-9897-c9e8bc783742" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_22072a02-b164-4b69-860c-5c031ba2db83" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_402b0df0-5f7f-448a-9897-c9e8bc783742" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_22072a02-b164-4b69-860c-5c031ba2db83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_22072a02-b164-4b69-860c-5c031ba2db83_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_22072a02-b164-4b69-860c-5c031ba2db83" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_22072a02-b164-4b69-860c-5c031ba2db83_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6c24b0cb-5a4a-435c-8cda-9048e8bde526" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_22072a02-b164-4b69-860c-5c031ba2db83" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6c24b0cb-5a4a-435c-8cda-9048e8bde526" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_add420d4-83dd-4885-931c-9d29dbba6f9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6c24b0cb-5a4a-435c-8cda-9048e8bde526" xlink:to="loc_us-gaap_CostOfSalesMember_add420d4-83dd-4885-931c-9d29dbba6f9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_b0df640b-0c72-48cc-840e-6f5f33596c99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6c24b0cb-5a4a-435c-8cda-9048e8bde526" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_b0df640b-0c72-48cc-840e-6f5f33596c99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_3cfbfb26-ce11-4196-9729-e2928ad8dbb5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6c24b0cb-5a4a-435c-8cda-9048e8bde526" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_3cfbfb26-ce11-4196-9729-e2928ad8dbb5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_e864e7c0-1fae-4162-a7d8-541685d5542c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6c24b0cb-5a4a-435c-8cda-9048e8bde526" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_e864e7c0-1fae-4162-a7d8-541685d5542c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_418d3fff-79ff-43f8-8016-9a12a0b792e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_014ea5c7-fec4-48bf-8fdd-4a3a23a30843" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_418d3fff-79ff-43f8-8016-9a12a0b792e1" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationRestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#StockholdersEquityComprehensiveIncomeandShareBasedCompensationRestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationRestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ca2dc8ef-f0b0-4dcd-851b-c19ee48e4327" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2c870729-0ff7-43f3-93c9-98e3b386a515" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ca2dc8ef-f0b0-4dcd-851b-c19ee48e4327" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2c870729-0ff7-43f3-93c9-98e3b386a515" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_9ddc8cda-2868-467a-a789-6daf8642224d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2c870729-0ff7-43f3-93c9-98e3b386a515" xlink:to="loc_us-gaap_AwardTypeAxis_9ddc8cda-2868-467a-a789-6daf8642224d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9ddc8cda-2868-467a-a789-6daf8642224d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_9ddc8cda-2868-467a-a789-6daf8642224d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9ddc8cda-2868-467a-a789-6daf8642224d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e2b473b8-48e7-4020-aba8-2cfc646bf0d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_9ddc8cda-2868-467a-a789-6daf8642224d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e2b473b8-48e7-4020-aba8-2cfc646bf0d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_RestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsMember_200b7b6a-ce76-46c7-9057-d0a8b701c02e" xlink:href="amat-20240428.xsd#amat_RestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e2b473b8-48e7-4020-aba8-2cfc646bf0d9" xlink:to="loc_amat_RestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsMember_200b7b6a-ce76-46c7-9057-d0a8b701c02e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_130bbe82-a26d-4c0c-a3e2-eb1eb8bb8220" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ca2dc8ef-f0b0-4dcd-851b-c19ee48e4327" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_130bbe82-a26d-4c0c-a3e2-eb1eb8bb8220" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_786ade6a-fc60-436e-9858-3cc6296770e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_130bbe82-a26d-4c0c-a3e2-eb1eb8bb8220" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_786ade6a-fc60-436e-9858-3cc6296770e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_965b15d0-956f-48e5-a796-6bcaa5a3e2f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_130bbe82-a26d-4c0c-a3e2-eb1eb8bb8220" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_965b15d0-956f-48e5-a796-6bcaa5a3e2f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_52df99fe-cd8f-4add-9b71-71a7e1d1fd9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_130bbe82-a26d-4c0c-a3e2-eb1eb8bb8220" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_52df99fe-cd8f-4add-9b71-71a7e1d1fd9a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_ae005a2b-4c2b-41ab-b722-5ac40906264f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_130bbe82-a26d-4c0c-a3e2-eb1eb8bb8220" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_ae005a2b-4c2b-41ab-b722-5ac40906264f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_e7d13d3d-fcab-4312-8440-3f8128d9d801" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f9beb149-eb2e-49cb-b050-bed58b5a0793" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ca2dc8ef-f0b0-4dcd-851b-c19ee48e4327" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f9beb149-eb2e-49cb-b050-bed58b5a0793" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_717a31da-7d2b-4291-9302-04ed14b784da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f9beb149-eb2e-49cb-b050-bed58b5a0793" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_717a31da-7d2b-4291-9302-04ed14b784da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67bca35d-4a9f-4deb-a544-69bc7f012e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f9beb149-eb2e-49cb-b050-bed58b5a0793" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67bca35d-4a9f-4deb-a544-69bc7f012e9a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_abb38a75-9a06-4378-9579-ebd9c4601225" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f9beb149-eb2e-49cb-b050-bed58b5a0793" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_abb38a75-9a06-4378-9579-ebd9c4601225" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b49602fb-5b8f-43e4-aeb2-e6eee5bec61a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f9beb149-eb2e-49cb-b050-bed58b5a0793" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b49602fb-5b8f-43e4-aeb2-e6eee5bec61a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ca8dcb45-0b0a-4408-91bc-4d61487e72db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationEmployeeStockPurchasePlanValuationAssumptionsDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#StockholdersEquityComprehensiveIncomeandShareBasedCompensationEmployeeStockPurchasePlanValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/StockholdersEquityComprehensiveIncomeandShareBasedCompensationEmployeeStockPurchasePlanValuationAssumptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_63dfcf30-ae75-46ed-848e-6205c2419247" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_63dfcf30-ae75-46ed-848e-6205c2419247" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_aeaec310-a5de-4453-ac90-e11cb3559914" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_63dfcf30-ae75-46ed-848e-6205c2419247" xlink:to="loc_us-gaap_PlanNameAxis_aeaec310-a5de-4453-ac90-e11cb3559914" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_aeaec310-a5de-4453-ac90-e11cb3559914_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_aeaec310-a5de-4453-ac90-e11cb3559914" xlink:to="loc_us-gaap_PlanNameDomain_aeaec310-a5de-4453-ac90-e11cb3559914_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_92373cc4-60e4-498f-ae1b-f5095ad440ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_aeaec310-a5de-4453-ac90-e11cb3559914" xlink:to="loc_us-gaap_PlanNameDomain_92373cc4-60e4-498f-ae1b-f5095ad440ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_EmployeeStockPurchasePlanMember_731c519d-2c2d-41c7-ac50-7eb174c57c6e" xlink:href="amat-20240428.xsd#amat_EmployeeStockPurchasePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_92373cc4-60e4-498f-ae1b-f5095ad440ba" xlink:to="loc_amat_EmployeeStockPurchasePlanMember_731c519d-2c2d-41c7-ac50-7eb174c57c6e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_669b7aae-2172-45db-9f37-d5b0ba27acfc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_669b7aae-2172-45db-9f37-d5b0ba27acfc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_85807d2b-c6ff-4372-a79c-a7de2d877afd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_85807d2b-c6ff-4372-a79c-a7de2d877afd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_ce2da441-15d3-4bdb-be0a-10a7c7ab1a3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_ce2da441-15d3-4bdb-be0a-10a7c7ab1a3f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_81372465-276c-4dc6-bced-4ed6b224a87f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_81372465-276c-4dc6-bced-4ed6b224a87f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_WeightedAverageEstimatedFairValueOfPurchaseRightsUnderEspp_df514bd9-4b6f-4f63-9695-f7aaab81ff66" xlink:href="amat-20240428.xsd#amat_WeightedAverageEstimatedFairValueOfPurchaseRightsUnderEspp"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b45d97c-7420-406b-8974-1a8051d8b1f0" xlink:to="loc_amat_WeightedAverageEstimatedFairValueOfPurchaseRightsUnderEspp_df514bd9-4b6f-4f63-9695-f7aaab81ff66" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/IndustrySegmentOperationsNetSalesandOperatingIncomeLossDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#IndustrySegmentOperationsNetSalesandOperatingIncomeLossDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/IndustrySegmentOperationsNetSalesandOperatingIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_c024b66a-c7d6-4fda-9b04-611cf73c11c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a5240bc6-bfd1-4cf0-811a-ba22a0bd101b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_c024b66a-c7d6-4fda-9b04-611cf73c11c2" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a5240bc6-bfd1-4cf0-811a-ba22a0bd101b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_251a3101-0f29-4c37-be38-722b881a4fb0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a5240bc6-bfd1-4cf0-811a-ba22a0bd101b" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_251a3101-0f29-4c37-be38-722b881a4fb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_251a3101-0f29-4c37-be38-722b881a4fb0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_251a3101-0f29-4c37-be38-722b881a4fb0" xlink:to="loc_us-gaap_SegmentDomain_251a3101-0f29-4c37-be38-722b881a4fb0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_6d3ff1d3-d8eb-4717-9502-bb803745b4fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_251a3101-0f29-4c37-be38-722b881a4fb0" xlink:to="loc_us-gaap_SegmentDomain_6d3ff1d3-d8eb-4717-9502-bb803745b4fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SemiconductorSystemsMember_44216c35-7234-4f78-9d03-761323e7ef5d" xlink:href="amat-20240428.xsd#amat_SemiconductorSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6d3ff1d3-d8eb-4717-9502-bb803745b4fb" xlink:to="loc_amat_SemiconductorSystemsMember_44216c35-7234-4f78-9d03-761323e7ef5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_AppliedGlobalServicesMember_328efe5b-3c57-4b00-9772-27ffa6c1ad42" xlink:href="amat-20240428.xsd#amat_AppliedGlobalServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6d3ff1d3-d8eb-4717-9502-bb803745b4fb" xlink:to="loc_amat_AppliedGlobalServicesMember_328efe5b-3c57-4b00-9772-27ffa6c1ad42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DisplayandAdjacentMarketsMember_3be5554b-f3dd-4bef-82d7-1ec4f6f3e260" xlink:href="amat-20240428.xsd#amat_DisplayandAdjacentMarketsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6d3ff1d3-d8eb-4717-9502-bb803745b4fb" xlink:to="loc_amat_DisplayandAdjacentMarketsMember_3be5554b-f3dd-4bef-82d7-1ec4f6f3e260" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_ee972290-3420-4d1e-bc9f-1ae81a8e5dc5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_a5240bc6-bfd1-4cf0-811a-ba22a0bd101b" xlink:to="loc_srt_ConsolidationItemsAxis_ee972290-3420-4d1e-bc9f-1ae81a8e5dc5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_ee972290-3420-4d1e-bc9f-1ae81a8e5dc5_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_ee972290-3420-4d1e-bc9f-1ae81a8e5dc5" xlink:to="loc_srt_ConsolidationItemsDomain_ee972290-3420-4d1e-bc9f-1ae81a8e5dc5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_427335a4-ecd4-4424-94ad-228445ded74d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_ee972290-3420-4d1e-bc9f-1ae81a8e5dc5" xlink:to="loc_srt_ConsolidationItemsDomain_427335a4-ecd4-4424-94ad-228445ded74d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_4f55d222-a157-4426-83a0-ba65efe5a2fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_427335a4-ecd4-4424-94ad-228445ded74d" xlink:to="loc_us-gaap_OperatingSegmentsMember_4f55d222-a157-4426-83a0-ba65efe5a2fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CorporateAndReconcilingItemsMember_31e83dff-ed51-47ea-ab53-4438a234e545" xlink:href="amat-20240428.xsd#amat_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_427335a4-ecd4-4424-94ad-228445ded74d" xlink:to="loc_amat_CorporateAndReconcilingItemsMember_31e83dff-ed51-47ea-ab53-4438a234e545" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_51ade2b9-50a9-4beb-b6c1-4a4df46535e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_c024b66a-c7d6-4fda-9b04-611cf73c11c2" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_51ade2b9-50a9-4beb-b6c1-4a4df46535e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_6b30c6cd-7d46-4ba3-aa74-1dd9a9f5f05a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_c024b66a-c7d6-4fda-9b04-611cf73c11c2" xlink:to="loc_us-gaap_OperatingIncomeLoss_6b30c6cd-7d46-4ba3-aa74-1dd9a9f5f05a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/IndustrySegmentOperationsNetSalesbyGeographicRegionDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#IndustrySegmentOperationsNetSalesbyGeographicRegionDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/IndustrySegmentOperationsNetSalesbyGeographicRegionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_5ec6daf6-01f7-4186-a841-0f4f25f02d7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_285cc768-296f-458d-8299-dcf440c047a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5ec6daf6-01f7-4186-a841-0f4f25f02d7c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_285cc768-296f-458d-8299-dcf440c047a1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_150c4cad-c31f-46ca-99ea-7013dd1b45d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_285cc768-296f-458d-8299-dcf440c047a1" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_150c4cad-c31f-46ca-99ea-7013dd1b45d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_150c4cad-c31f-46ca-99ea-7013dd1b45d6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_150c4cad-c31f-46ca-99ea-7013dd1b45d6" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_150c4cad-c31f-46ca-99ea-7013dd1b45d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_038a763c-7145-4204-a4bd-936cc7ef5c51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_150c4cad-c31f-46ca-99ea-7013dd1b45d6" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_038a763c-7145-4204-a4bd-936cc7ef5c51" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_053334fb-7d83-4fd8-aeb2-f5141c20fdea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_038a763c-7145-4204-a4bd-936cc7ef5c51" xlink:to="loc_us-gaap_SalesRevenueNetMember_053334fb-7d83-4fd8-aeb2-f5141c20fdea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_542be4ea-c8c5-4a3e-8c5b-b0bfe981cf29" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_285cc768-296f-458d-8299-dcf440c047a1" xlink:to="loc_srt_StatementGeographicalAxis_542be4ea-c8c5-4a3e-8c5b-b0bfe981cf29" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_542be4ea-c8c5-4a3e-8c5b-b0bfe981cf29_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_542be4ea-c8c5-4a3e-8c5b-b0bfe981cf29" xlink:to="loc_srt_SegmentGeographicalDomain_542be4ea-c8c5-4a3e-8c5b-b0bfe981cf29_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_b0a29006-54c4-4279-8717-a24f15d89467" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_542be4ea-c8c5-4a3e-8c5b-b0bfe981cf29" xlink:to="loc_srt_SegmentGeographicalDomain_b0a29006-54c4-4279-8717-a24f15d89467" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_b0a29006-54c4-4279-8717-a24f15d89467" xlink:to="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CN_c26d2fa2-692b-47b4-bfc4-7951049cfd6f" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_CN"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:to="loc_country_CN_c26d2fa2-692b-47b4-bfc4-7951049cfd6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_KR_3e4313cc-f140-4c6b-833d-f6970dea5fc6" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_KR"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:to="loc_country_KR_3e4313cc-f140-4c6b-833d-f6970dea5fc6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_TW_e4422e46-5a96-4bee-b19c-96b16a9d4ad8" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_TW"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:to="loc_country_TW_e4422e46-5a96-4bee-b19c-96b16a9d4ad8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_JP_ddd05a6b-57b3-448a-97a9-612025fe704d" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_JP"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:to="loc_country_JP_ddd05a6b-57b3-448a-97a9-612025fe704d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SoutheastAsiaMember_32346e25-2dfa-4ce7-9316-6c719649b7e3" xlink:href="amat-20240428.xsd#amat_SoutheastAsiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AsiaPacificMember_298d14be-0457-4bab-9593-d1ed9a65affb" xlink:to="loc_amat_SoutheastAsiaMember_32346e25-2dfa-4ce7-9316-6c719649b7e3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_c607fb0a-93d3-4367-ad9e-2877c0600338" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_b0a29006-54c4-4279-8717-a24f15d89467" xlink:to="loc_country_US_c607fb0a-93d3-4367-ad9e-2877c0600338" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_d485cfe4-1f0f-4ee9-bd71-0cdbe0ec9a90" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_b0a29006-54c4-4279-8717-a24f15d89467" xlink:to="loc_srt_EuropeMember_d485cfe4-1f0f-4ee9-bd71-0cdbe0ec9a90" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_3fa9adc1-c96c-4b1a-9900-a230bbfce491" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_285cc768-296f-458d-8299-dcf440c047a1" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_3fa9adc1-c96c-4b1a-9900-a230bbfce491" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_3fa9adc1-c96c-4b1a-9900-a230bbfce491_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_3fa9adc1-c96c-4b1a-9900-a230bbfce491" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_3fa9adc1-c96c-4b1a-9900-a230bbfce491_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_2ef8129b-9e14-43ef-8fce-e43b211f8957" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_3fa9adc1-c96c-4b1a-9900-a230bbfce491" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_2ef8129b-9e14-43ef-8fce-e43b211f8957" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_2d5c6d89-acfd-4b43-8633-e5ef4f1a92ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_2ef8129b-9e14-43ef-8fce-e43b211f8957" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_2d5c6d89-acfd-4b43-8633-e5ef4f1a92ec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_484154a6-dc47-489f-81bc-a6f1ea5cc5b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5ec6daf6-01f7-4186-a841-0f4f25f02d7c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_484154a6-dc47-489f-81bc-a6f1ea5cc5b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_d94caa18-4006-4d15-ab0a-1c2acd123f64" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5ec6daf6-01f7-4186-a841-0f4f25f02d7c" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_d94caa18-4006-4d15-ab0a-1c2acd123f64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_ChangeInRevenuePercentage_4b965d1b-8a2e-41cd-b578-eb2ecc28f849" xlink:href="amat-20240428.xsd#amat_ChangeInRevenuePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5ec6daf6-01f7-4186-a841-0f4f25f02d7c" xlink:to="loc_amat_ChangeInRevenuePercentage_4b965d1b-8a2e-41cd-b578-eb2ecc28f849" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/IndustrySegmentOperationsPercentageforSemiconductorSystemsbyEndUserDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#IndustrySegmentOperationsPercentageforSemiconductorSystemsbyEndUserDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/IndustrySegmentOperationsPercentageforSemiconductorSystemsbyEndUserDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_607eb34f-be48-4727-beda-1b13191251d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_bb0be2ea-0dc4-4b77-807c-86dcdc117490" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_607eb34f-be48-4727-beda-1b13191251d1" xlink:to="loc_us-gaap_ConcentrationRiskTable_bb0be2ea-0dc4-4b77-807c-86dcdc117490" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_16d50d29-ecb4-4cca-b6c6-4c89c5274f35" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bb0be2ea-0dc4-4b77-807c-86dcdc117490" xlink:to="loc_srt_ProductOrServiceAxis_16d50d29-ecb4-4cca-b6c6-4c89c5274f35" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_16d50d29-ecb4-4cca-b6c6-4c89c5274f35_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_16d50d29-ecb4-4cca-b6c6-4c89c5274f35" xlink:to="loc_srt_ProductsAndServicesDomain_16d50d29-ecb4-4cca-b6c6-4c89c5274f35_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_bb08bb52-73cd-4ad0-9e5e-02b4a45d7671" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_16d50d29-ecb4-4cca-b6c6-4c89c5274f35" xlink:to="loc_srt_ProductsAndServicesDomain_bb08bb52-73cd-4ad0-9e5e-02b4a45d7671" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_FoundryLogicAndOtherMember_1f771074-a9e6-475f-a7e2-eb16b105bbbc" xlink:href="amat-20240428.xsd#amat_FoundryLogicAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_bb08bb52-73cd-4ad0-9e5e-02b4a45d7671" xlink:to="loc_amat_FoundryLogicAndOtherMember_1f771074-a9e6-475f-a7e2-eb16b105bbbc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_DynamicRandomAccessMemoryMember_97d0eac1-05ae-473f-be51-dcb09fcdc74e" xlink:href="amat-20240428.xsd#amat_DynamicRandomAccessMemoryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_bb08bb52-73cd-4ad0-9e5e-02b4a45d7671" xlink:to="loc_amat_DynamicRandomAccessMemoryMember_97d0eac1-05ae-473f-be51-dcb09fcdc74e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_FlashMemoryMember_ac9a339e-9934-432e-9fa7-d91e2f7b8b5b" xlink:href="amat-20240428.xsd#amat_FlashMemoryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_bb08bb52-73cd-4ad0-9e5e-02b4a45d7671" xlink:to="loc_amat_FlashMemoryMember_ac9a339e-9934-432e-9fa7-d91e2f7b8b5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_72e231d8-92e0-4a3b-82dc-346142a42cff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bb0be2ea-0dc4-4b77-807c-86dcdc117490" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_72e231d8-92e0-4a3b-82dc-346142a42cff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_72e231d8-92e0-4a3b-82dc-346142a42cff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_72e231d8-92e0-4a3b-82dc-346142a42cff" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_72e231d8-92e0-4a3b-82dc-346142a42cff_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5651dca6-72c6-41c7-aba7-1b3d2a8fbc7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_72e231d8-92e0-4a3b-82dc-346142a42cff" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5651dca6-72c6-41c7-aba7-1b3d2a8fbc7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_efc1e00d-db9c-4e1e-8219-d264f14b8386" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5651dca6-72c6-41c7-aba7-1b3d2a8fbc7c" xlink:to="loc_us-gaap_SalesRevenueNetMember_efc1e00d-db9c-4e1e-8219-d264f14b8386" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_8360d387-fc66-483b-963d-23e12d5b5e45" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bb0be2ea-0dc4-4b77-807c-86dcdc117490" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_8360d387-fc66-483b-963d-23e12d5b5e45" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_8360d387-fc66-483b-963d-23e12d5b5e45_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_8360d387-fc66-483b-963d-23e12d5b5e45" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_8360d387-fc66-483b-963d-23e12d5b5e45_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_f965fba6-bba1-4f18-8404-89bea373c91e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_8360d387-fc66-483b-963d-23e12d5b5e45" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_f965fba6-bba1-4f18-8404-89bea373c91e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_0bf12501-ffa5-43fa-bb95-f1e0c0073393" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_f965fba6-bba1-4f18-8404-89bea373c91e" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_0bf12501-ffa5-43fa-bb95-f1e0c0073393" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_c83ad6a4-02a8-45d6-afec-149d3bc406e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_bb0be2ea-0dc4-4b77-807c-86dcdc117490" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_c83ad6a4-02a8-45d6-afec-149d3bc406e7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c83ad6a4-02a8-45d6-afec-149d3bc406e7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_c83ad6a4-02a8-45d6-afec-149d3bc406e7" xlink:to="loc_us-gaap_SegmentDomain_c83ad6a4-02a8-45d6-afec-149d3bc406e7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_a3e3af77-0998-4bb3-bc71-385434c3a52e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_c83ad6a4-02a8-45d6-afec-149d3bc406e7" xlink:to="loc_us-gaap_SegmentDomain_a3e3af77-0998-4bb3-bc71-385434c3a52e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SemiconductorSystemsMember_82ba3411-8cb6-48fc-adb5-38d154ede612" xlink:href="amat-20240428.xsd#amat_SemiconductorSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_a3e3af77-0998-4bb3-bc71-385434c3a52e" xlink:to="loc_amat_SemiconductorSystemsMember_82ba3411-8cb6-48fc-adb5-38d154ede612" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_4e8453a2-b4f5-4bfa-9aea-de82b35ea9a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_607eb34f-be48-4727-beda-1b13191251d1" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_4e8453a2-b4f5-4bfa-9aea-de82b35ea9a4" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/IndustrySegmentOperationsReconciliationsofTotalSegmentDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#IndustrySegmentOperationsReconciliationsofTotalSegmentDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/IndustrySegmentOperationsReconciliationsofTotalSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_4a03c62c-462a-4f82-a594-5df97e59b583" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_2caf6af8-054f-423f-b346-51537db14079" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_4a03c62c-462a-4f82-a594-5df97e59b583" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_2caf6af8-054f-423f-b346-51537db14079" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_0bd5ee8a-c039-48c5-8d0d-8c7e8d6e80b1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_2caf6af8-054f-423f-b346-51537db14079" xlink:to="loc_srt_ConsolidationItemsAxis_0bd5ee8a-c039-48c5-8d0d-8c7e8d6e80b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_0bd5ee8a-c039-48c5-8d0d-8c7e8d6e80b1_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_0bd5ee8a-c039-48c5-8d0d-8c7e8d6e80b1" xlink:to="loc_srt_ConsolidationItemsDomain_0bd5ee8a-c039-48c5-8d0d-8c7e8d6e80b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_93dbe0d3-abc5-4e69-a1f5-84420554ce5e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_0bd5ee8a-c039-48c5-8d0d-8c7e8d6e80b1" xlink:to="loc_srt_ConsolidationItemsDomain_93dbe0d3-abc5-4e69-a1f5-84420554ce5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_CorporateAndReconcilingItemsMember_595fe03e-c929-426c-8afc-cba4ba6c4e20" xlink:href="amat-20240428.xsd#amat_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_93dbe0d3-abc5-4e69-a1f5-84420554ce5e" xlink:to="loc_amat_CorporateAndReconcilingItemsMember_595fe03e-c929-426c-8afc-cba4ba6c4e20" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5d88ccad-aba8-4fc4-a8d9-652a6e0c74af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_4a03c62c-462a-4f82-a594-5df97e59b583" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5d88ccad-aba8-4fc4-a8d9-652a6e0c74af" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_820b16b6-4326-4b5d-8269-7cccf38e6334" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_4a03c62c-462a-4f82-a594-5df97e59b583" xlink:to="loc_us-gaap_CostsAndExpenses_820b16b6-4326-4b5d-8269-7cccf38e6334" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_64417b9f-9f9d-442a-9c54-b0275d6ba670" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_4a03c62c-462a-4f82-a594-5df97e59b583" xlink:to="loc_us-gaap_OperatingIncomeLoss_64417b9f-9f9d-442a-9c54-b0275d6ba670" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.appliedmaterials.com/role/IndustrySegmentOperationsPercentagebyCustomerDetails" xlink:type="simple" xlink:href="amat-20240428.xsd#IndustrySegmentOperationsPercentagebyCustomerDetails"/>
  <link:definitionLink xlink:role="http://www.appliedmaterials.com/role/IndustrySegmentOperationsPercentagebyCustomerDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b7e0d343-050c-413f-ab8b-6bbf6a0be421" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_81caff74-ec44-4542-847f-35924436cacd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b7e0d343-050c-413f-ab8b-6bbf6a0be421" xlink:to="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_81caff74-ec44-4542-847f-35924436cacd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_bf5f07c9-f900-4d63-b7f2-9e4dc7f08594" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_81caff74-ec44-4542-847f-35924436cacd" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_bf5f07c9-f900-4d63-b7f2-9e4dc7f08594" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_bf5f07c9-f900-4d63-b7f2-9e4dc7f08594_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_bf5f07c9-f900-4d63-b7f2-9e4dc7f08594" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_bf5f07c9-f900-4d63-b7f2-9e4dc7f08594_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_ce6d3189-5d93-41a2-9078-53c03bdcc1c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_bf5f07c9-f900-4d63-b7f2-9e4dc7f08594" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_ce6d3189-5d93-41a2-9078-53c03bdcc1c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_bafcd6e7-0419-4927-8635-011669200909" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_ce6d3189-5d93-41a2-9078-53c03bdcc1c2" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_bafcd6e7-0419-4927-8635-011669200909" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_8c79f536-8da2-4887-8f13-1a83f2564007" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_81caff74-ec44-4542-847f-35924436cacd" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_8c79f536-8da2-4887-8f13-1a83f2564007" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_8c79f536-8da2-4887-8f13-1a83f2564007_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_8c79f536-8da2-4887-8f13-1a83f2564007" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_8c79f536-8da2-4887-8f13-1a83f2564007_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_e8bda639-3d73-439e-ac5f-472fdb7a8244" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_8c79f536-8da2-4887-8f13-1a83f2564007" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_e8bda639-3d73-439e-ac5f-472fdb7a8244" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_ba27e34e-5b71-4369-a394-83ea743ea70e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_e8bda639-3d73-439e-ac5f-472fdb7a8244" xlink:to="loc_us-gaap_SalesRevenueNetMember_ba27e34e-5b71-4369-a394-83ea743ea70e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_b67b7fc2-7195-4b3e-91b9-825dfe2e03e7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_81caff74-ec44-4542-847f-35924436cacd" xlink:to="loc_srt_MajorCustomersAxis_b67b7fc2-7195-4b3e-91b9-825dfe2e03e7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_b67b7fc2-7195-4b3e-91b9-825dfe2e03e7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_b67b7fc2-7195-4b3e-91b9-825dfe2e03e7" xlink:to="loc_srt_NameOfMajorCustomerDomain_b67b7fc2-7195-4b3e-91b9-825dfe2e03e7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_64aa256b-44d6-416d-a149-c0acf3c0981b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_b67b7fc2-7195-4b3e-91b9-825dfe2e03e7" xlink:to="loc_srt_NameOfMajorCustomerDomain_64aa256b-44d6-416d-a149-c0acf3c0981b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_SamsungElectronicsCoLtdMember_d4eefc86-cde7-4baf-ba59-9ed22e1e477b" xlink:href="amat-20240428.xsd#amat_SamsungElectronicsCoLtdMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_64aa256b-44d6-416d-a149-c0acf3c0981b" xlink:to="loc_amat_SamsungElectronicsCoLtdMember_d4eefc86-cde7-4baf-ba59-9ed22e1e477b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_f40d52d3-9923-4192-8a99-f72096aadfca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b7e0d343-050c-413f-ab8b-6bbf6a0be421" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_f40d52d3-9923-4192-8a99-f72096aadfca" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherAssetsNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxesAndOtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherAssetsNoncurrent" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_EmployeeStockMember" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_amat_RestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsMember_32687c2b-f48b-427a-a2c8-c3632ce8ff5d" xlink:href="amat-20240428.xsd#amat_RestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_amat_RestrictedStockUnitsRestrictedStockPerformanceSharesandPerformanceUnitsMember_32687c2b-f48b-427a-a2c8-c3632ce8ff5d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_PerformanceSharesMember" xlink:type="arc" order="6"/>
  </link:definitionLink>
</link:linkbase>
