embryonounmasculinetécnico/ẽ.ˈbɾi.ɐ̃w̃/mediumem·bri·ãoPortuguesEnglishEspanolFrancaisDefinitionEarly stage of development of a multicellular organism, in animals, from the first division of the egg until the formation of basic structures.The embryo develops in the mother's womb.The project is still in its embryonic stage.synembryogermEtymologyDo grego 'embryon' (feto).Related wordsembrionárioembriologiaembriogénese