Embryonic – English Flashcard for Embryonic for IELTS Updated: August 14, 2019 by Dr. Mohammad Hossein Hariri AslEmbryonic Embryonic (adj) /ˌem.briˈɒn.ɪk/ US /-ˈɑː.nɪk/1. relating to an embryo2. starting to grow – emerging – developing:Our advancement in this new discipline is just in its embryonic stage.