matternounfeminine/mɐˈtɛ.ɾi.ɐ/highma·te·ri·aPortuguesEnglishEspanolFrancaisDefinitionSubstance of which a thing is made; subject or topic.Raw matter is essential for production.We study the matter of history.synmaterialsubstanceCommon collocationsraw matterschool matterEtymologyDo latim 'materia'Related wordsmaterialmateriaismateriar