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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019d06c4-ba8b-71c8-a9a7-633b3ea50a31,g:fcf4075e-e78e-4680-90af-dc7509d7bbe9-->
<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_C000237980Member_019d06c4-ba8b-7cd7-8b11-a281ed61a8f7" xlink:href="ck0001592900-20260131.xsd#ck0001592900_C000237980Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001592900_C000237980Member_019d06c4-ba8b-7cd7-8b11-a281ed61a8f7" 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_ck0001592900_InformationTechnologyMember_019d06c4-ba8b-7a7e-84a0-d7b4259a0749" xlink:href="ck0001592900-20260131.xsd#ck0001592900_InformationTechnologyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_InformationTechnologyMember_019d06c4-ba8b-7a7e-84a0-d7b4259a0749" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_FinancialsMember_019d06c4-ba8b-7870-9fe8-6b81047d2380" xlink:href="ck0001592900-20260131.xsd#ck0001592900_FinancialsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_FinancialsMember_019d06c4-ba8b-7870-9fe8-6b81047d2380" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ConsumerDiscretionaryMember_019d06c4-ba8b-74d4-b32d-2884fc013692" xlink:href="ck0001592900-20260131.xsd#ck0001592900_ConsumerDiscretionaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_ConsumerDiscretionaryMember_019d06c4-ba8b-74d4-b32d-2884fc013692" xlink:type="arc" order="12"/>
    <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="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_CommunicationServicesMember_019d06c4-ba8b-7b69-b852-912f826be153" xlink:href="ck0001592900-20260131.xsd#ck0001592900_CommunicationServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_CommunicationServicesMember_019d06c4-ba8b-7b69-b852-912f826be153" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_IndustrialsMember_019d06c4-ba8b-7202-af0e-e3740b6c4e5f" xlink:href="ck0001592900-20260131.xsd#ck0001592900_IndustrialsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_IndustrialsMember_019d06c4-ba8b-7202-af0e-e3740b6c4e5f" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_UtilitiesMember_019d06c4-ba8b-7035-8814-c30c236147d4" xlink:href="ck0001592900-20260131.xsd#ck0001592900_UtilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_UtilitiesMember_019d06c4-ba8b-7035-8814-c30c236147d4" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyServiceMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EnergyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_us-gaap_EnergyServiceMember" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_us-gaap_RealEstateMember" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_CashCashEquivalentsMember_019d06c4-ba8b-7551-9e65-7f1561181c47" xlink:href="ck0001592900-20260131.xsd#ck0001592900_CashCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_IndustrySectorDomain" xlink:to="loc_ck0001592900_CashCashEquivalentsMember_019d06c4-ba8b-7551-9e65-7f1561181c47" xlink:type="arc" order="19"/>
  </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_019d06c4-ba8b-7616-8d64-133c940d32cd" xlink:href="ck0001592900-20260131.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_019d06c4-ba8b-7616-8d64-133c940d32cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MicrosoftCorp.Member_019d06c4-ba8b-7d77-a88d-64be7003c3c7" xlink:href="ck0001592900-20260131.xsd#ck0001592900_MicrosoftCorp.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_MicrosoftCorp.Member_019d06c4-ba8b-7d77-a88d-64be7003c3c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_AppleInc.Member_019d06c4-ba8b-7a63-8f04-1b88e0b6714a" xlink:href="ck0001592900-20260131.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_019d06c4-ba8b-7a63-8f04-1b88e0b6714a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_AlphabetInc.ClassAMember_019d06c4-ba8b-75a7-b4dc-1a801eb9b423" xlink:href="ck0001592900-20260131.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_019d06c4-ba8b-75a7-b4dc-1a801eb9b423" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_CirrusLogicInc.Member_019d06c4-ba8b-7147-be76-82004a0ebbd8" xlink:href="ck0001592900-20260131.xsd#ck0001592900_CirrusLogicInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_CirrusLogicInc.Member_019d06c4-ba8b-7147-be76-82004a0ebbd8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_MetaPlatformsInc.ClassAMember_019d06c4-ba8b-70fb-9fb4-32795d8fd558" xlink:href="ck0001592900-20260131.xsd#ck0001592900_MetaPlatformsInc.ClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_MetaPlatformsInc.ClassAMember_019d06c4-ba8b-70fb-9fb4-32795d8fd558" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_Amazon.comInc.Member_019d06c4-ba8b-72b3-af2f-60130738e557" xlink:href="ck0001592900-20260131.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_019d06c4-ba8b-72b3-af2f-60130738e557" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_ExpediaGroupInc.Member_019d06c4-ba8b-7509-99a8-8924f9b463bb" xlink:href="ck0001592900-20260131.xsd#ck0001592900_ExpediaGroupInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_ExpediaGroupInc.Member_019d06c4-ba8b-7509-99a8-8924f9b463bb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_GoldmanSachsGroupInc.Member_019d06c4-ba8b-7e0c-9318-289e4482c028" xlink:href="ck0001592900-20260131.xsd#ck0001592900_GoldmanSachsGroupInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_GoldmanSachsGroupInc.Member_019d06c4-ba8b-7e0c-9318-289e4482c028" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001592900_IncyteCorp.Member_019d06c4-ba8b-7e28-87ae-7a4c05a2951e" xlink:href="ck0001592900-20260131.xsd#ck0001592900_IncyteCorp.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oef_LargestHoldingsDomain" xlink:to="loc_ck0001592900_IncyteCorp.Member_019d06c4-ba8b-7e28-87ae-7a4c05a2951e" xlink:type="arc" order="10"/>
  </link:definitionLink>
</link:linkbase>
