Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
embryonal is an adjective meaning "of an organism prior to birth or hatching". It carries one recorded sense.
of an organism prior to birth or hatching
“in the embryonic stage”
“embryologic development”
Definitions, synonyms and semantic relations for embryonal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.