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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0cb06-5ea2-78b1-a668-71cd48921386,g:c2e3eb05-cebe-48f2-9e63-f26fc3b62f04-->
<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.westlake.com/role/Cover" xlink:type="simple" xlink:href="wlk-20260924.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.westlake.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_01a0cb06-5ea2-73cf-a6b8-e4bcd989a73a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_DocumentInformationTable_01a0cb06-5ea2-73cf-a6b8-e4bcd989a73a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationDocumentAxis_01a0cb06-5ea2-7c40-8bc4-289f41fc829f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationDocumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_01a0cb06-5ea2-73cf-a6b8-e4bcd989a73a" xlink:to="loc_dei_DocumentInformationDocumentAxis_01a0cb06-5ea2-7c40-8bc4-289f41fc829f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentDomain_01a0cb06-5ea2-7c40-8bc4-289f41fc829f_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_DocumentInformationDocumentAxis_01a0cb06-5ea2-7c40-8bc4-289f41fc829f" xlink:to="loc_dei_DocumentDomain_01a0cb06-5ea2-7c40-8bc4-289f41fc829f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentDomain_01a0cb06-5ea2-71e8-9853-f7650350d2c9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_DocumentInformationDocumentAxis_01a0cb06-5ea2-7c40-8bc4-289f41fc829f" xlink:to="loc_dei_DocumentDomain_01a0cb06-5ea2-71e8-9853-f7650350d2c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_01a0cb06-5ea2-7dcf-8f98-f523eb39f47d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_01a0cb06-5ea2-73cf-a6b8-e4bcd989a73a" xlink:to="loc_us-gaap_StatementClassOfStockAxis_01a0cb06-5ea2-7dcf-8f98-f523eb39f47d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a0cb06-5ea2-7dcf-8f98-f523eb39f47d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a0cb06-5ea2-7dcf-8f98-f523eb39f47d" xlink:to="loc_us-gaap_ClassOfStockDomain_01a0cb06-5ea2-7dcf-8f98-f523eb39f47d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a0cb06-5ea2-7473-a03d-cf1c5eaefbf8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a0cb06-5ea2-7dcf-8f98-f523eb39f47d" xlink:to="loc_us-gaap_ClassOfStockDomain_01a0cb06-5ea2-7473-a03d-cf1c5eaefbf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_01a0cb06-5ea2-790f-acda-8602594463b7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a0cb06-5ea2-7473-a03d-cf1c5eaefbf8" xlink:to="loc_us-gaap_CommonStockMember_01a0cb06-5ea2-790f-acda-8602594463b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wlk_OnePointSixTwoFivePercentageSeniorNotesDueTwentyTwentyNineMemberDomain_01a0cb06-5ea2-7dbd-8296-9e7298ad29e6" xlink:href="wlk-20260924.xsd#wlk_OnePointSixTwoFivePercentageSeniorNotesDueTwentyTwentyNineMemberDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a0cb06-5ea2-7473-a03d-cf1c5eaefbf8" xlink:to="loc_wlk_OnePointSixTwoFivePercentageSeniorNotesDueTwentyTwentyNineMemberDomain_01a0cb06-5ea2-7dbd-8296-9e7298ad29e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsExchangeAxis_01a0cb06-5ea2-781a-b780-b8970fbe5a9f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityListingsExchangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_01a0cb06-5ea2-73cf-a6b8-e4bcd989a73a" xlink:to="loc_dei_EntityListingsExchangeAxis_01a0cb06-5ea2-781a-b780-b8970fbe5a9f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ExchangeDomain_01a0cb06-5ea2-781a-b780-b8970fbe5a9f_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_ExchangeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_EntityListingsExchangeAxis_01a0cb06-5ea2-781a-b780-b8970fbe5a9f" xlink:to="loc_dei_ExchangeDomain_01a0cb06-5ea2-781a-b780-b8970fbe5a9f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ExchangeDomain_01a0cb06-5ea2-7822-ac92-0bae6dd2c8f7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_ExchangeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_EntityListingsExchangeAxis_01a0cb06-5ea2-781a-b780-b8970fbe5a9f" xlink:to="loc_dei_ExchangeDomain_01a0cb06-5ea2-7822-ac92-0bae6dd2c8f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_exch_XNYS_01a0cb06-5ea2-7b8b-b573-96df84b6f489" xlink:href="https://xbrl.sec.gov/exch/2026/exch-2026.xsd#exch_XNYS"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_ExchangeDomain_01a0cb06-5ea2-7822-ac92-0bae6dd2c8f7" xlink:to="loc_exch_XNYS_01a0cb06-5ea2-7b8b-b573-96df84b6f489" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_exch_XCHI_01a0cb06-ec18-7248-b68f-9bbfd351eaf0" xlink:href="https://xbrl.sec.gov/exch/2026/exch-2026.xsd#exch_XCHI"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_ExchangeDomain_01a0cb06-5ea2-7822-ac92-0bae6dd2c8f7" xlink:to="loc_exch_XCHI_01a0cb06-ec18-7248-b68f-9bbfd351eaf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a0cb06-5ea2-7f46-b532-b67193448701" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_DocumentType_01a0cb06-5ea2-7f46-b532-b67193448701" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a0cb06-5ea2-714d-87e8-97194204166f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_DocumentPeriodEndDate_01a0cb06-5ea2-714d-87e8-97194204166f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a0cb06-5ea2-74c8-84dc-ed62a02663f9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityRegistrantName_01a0cb06-5ea2-74c8-84dc-ed62a02663f9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a0cb06-5ea2-7e76-b22d-c2ed6bdc3cac" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a0cb06-5ea2-7e76-b22d-c2ed6bdc3cac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a0cb06-5ea2-74d6-92e6-a2753ef4c690" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityFileNumber_01a0cb06-5ea2-74d6-92e6-a2753ef4c690" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a0cb06-5ea2-74d7-8152-78143a90af35" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a0cb06-5ea2-74d7-8152-78143a90af35" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a0cb06-5ea2-7083-ba23-da8b9e359757" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityAddressAddressLine1_01a0cb06-5ea2-7083-ba23-da8b9e359757" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_01a0cb06-5ea2-7380-a5a4-e3478205a082" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityAddressAddressLine2_01a0cb06-5ea2-7380-a5a4-e3478205a082" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a0cb06-5ea2-7ad4-b305-d3fced2d4eae" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityAddressCityOrTown_01a0cb06-5ea2-7ad4-b305-d3fced2d4eae" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a0cb06-5ea2-72fe-85c2-793b67548437" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityAddressStateOrProvince_01a0cb06-5ea2-72fe-85c2-793b67548437" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a0cb06-5ea2-7293-b6fc-b3eea73c8913" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityAddressPostalZipCode_01a0cb06-5ea2-7293-b6fc-b3eea73c8913" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a0cb06-5ea2-739d-916e-17034ab2c039" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_CityAreaCode_01a0cb06-5ea2-739d-916e-17034ab2c039" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a0cb06-5ea2-7c4f-ab5a-8e03ce2825cf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_LocalPhoneNumber_01a0cb06-5ea2-7c4f-ab5a-8e03ce2825cf" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a0cb06-5ea2-703f-94ce-4c9f5ba9f531" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_WrittenCommunications_01a0cb06-5ea2-703f-94ce-4c9f5ba9f531" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a0cb06-5ea2-750a-8095-3b17945cf64d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_SolicitingMaterial_01a0cb06-5ea2-750a-8095-3b17945cf64d" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a0cb06-5ea2-7fa5-af2d-6b95262b0312" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_PreCommencementTenderOffer_01a0cb06-5ea2-7fa5-af2d-6b95262b0312" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a0cb06-5ea2-7e30-ac58-38e2b21bd80d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a0cb06-5ea2-7e30-ac58-38e2b21bd80d" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a0cb06-5ea2-7ecc-9c47-4849a06b7473" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_Security12bTitle_01a0cb06-5ea2-7ecc-9c47-4849a06b7473" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a0cb06-5ea2-7b4c-ada4-042b5ec185c0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_TradingSymbol_01a0cb06-5ea2-7b4c-ada4-042b5ec185c0" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a0cb06-5ea2-7a3a-8c90-77a9c241c968" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_SecurityExchangeName_01a0cb06-5ea2-7a3a-8c90-77a9c241c968" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a0cb06-5ea2-7df0-bd99-61378637e938" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a0cb06-5ea2-7df0-bd99-61378637e938" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a0cb06-5ea2-7651-a781-7719c042e945" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_AmendmentFlag_01a0cb06-5ea2-7651-a781-7719c042e945" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a0cb06-5ea2-7ddf-acee-a6583612dcec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a0cb06-5ea2-775c-b7b4-ddd4330aab30" xlink:to="loc_dei_EntityCentralIndexKey_01a0cb06-5ea2-7ddf-acee-a6583612dcec" xlink:type="arc" order="22"/>
  </link:definitionLink>
</link:linkbase>
