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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0a682-e6ce-7647-ad75-921179e60dfe,g:97e6de2f-8e82-4c2a-8380-bac5326259c3-->
<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://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ClassOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_C000270326Member_01a0a682-e6ce-7096-bdfb-d445ca369559" xlink:href="ck0001592900-20260731.xsd#ck0001592900_C000270326Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001592900_C000270326Member_01a0a682-e6ce-7096-bdfb-d445ca369559" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#IndustrySectorOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_IndustrySectorDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_IndustrySectorDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialServiceMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_us-gaap_FinancialServiceMember" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HealthCareMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HealthCareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_us-gaap_HealthCareMember" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#LargestHoldingOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_LargestHoldingsDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_LargestHoldingsDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_NVIDIACorp.Member_01a0a68f-fe2e-7c76-b42e-a278cb5f3cb4" xlink:href="ck0001592900-20260731.xsd#ck0001592900_NVIDIACorp.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_NVIDIACorp.Member_01a0a68f-fe2e-7c76-b42e-a278cb5f3cb4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_AlphabetInc.ClassAMember_01a0a692-3380-7e37-a8bf-7a68e393870f" xlink:href="ck0001592900-20260731.xsd#ck0001592900_AlphabetInc.ClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_AlphabetInc.ClassAMember_01a0a692-3380-7e37-a8bf-7a68e393870f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_AppleInc.Member_01a0a695-0d7c-7d42-aa1b-7272e95b4df1" xlink:href="ck0001592900-20260731.xsd#ck0001592900_AppleInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_AppleInc.Member_01a0a695-0d7c-7d42-aa1b-7272e95b4df1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_Amazon.comInc.Member_01a0a695-4caf-71a7-a244-dd8232665d84" xlink:href="ck0001592900-20260731.xsd#ck0001592900_Amazon.comInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_Amazon.comInc.Member_01a0a695-4caf-71a7-a244-dd8232665d84" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_EliLillyCo.Member_01a0a695-9d3a-78d2-bd3b-015b1ef97e76" xlink:href="ck0001592900-20260731.xsd#ck0001592900_EliLillyCo.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_EliLillyCo.Member_01a0a695-9d3a-78d2-bd3b-015b1ef97e76" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_BroadcomInc.Member_01a0a696-082b-7610-acae-c6f4176ca1a2" xlink:href="ck0001592900-20260731.xsd#ck0001592900_BroadcomInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_BroadcomInc.Member_01a0a696-082b-7610-acae-c6f4176ca1a2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_VistraCorp.Member_01a0a696-59b4-7d39-a080-2af3c4367226" xlink:href="ck0001592900-20260731.xsd#ck0001592900_VistraCorp.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_VistraCorp.Member_01a0a696-59b4-7d39-a080-2af3c4367226" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MicronTechnologyInc.Member_01a0a696-9d6c-74b1-8a23-3686fdab5219" xlink:href="ck0001592900-20260731.xsd#ck0001592900_MicronTechnologyInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_MicronTechnologyInc.Member_01a0a696-9d6c-74b1-8a23-3686fdab5219" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_JPMorganChaseCo.Member_01a0a696-f580-7d29-b766-40a65c782dcd" xlink:href="ck0001592900-20260731.xsd#ck0001592900_JPMorganChaseCo.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_JPMorganChaseCo.Member_01a0a696-f580-7d29-b766-40a65c782dcd" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_PaloAltoNetworksInc.Member_01a0a697-3073-797b-8004-e390a407bc6e" xlink:href="ck0001592900-20260731.xsd#ck0001592900_PaloAltoNetworksInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_PaloAltoNetworksInc.Member_01a0a697-3073-797b-8004-e390a407bc6e" xlink:type="arc" order="10"/>
  </link:definitionLink>
</link:linkbase>
