<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A molecular interaction in which a small molecule or structure becomes trapped, usually in a larger molecule or structure, due to non-covalent interactions.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>