postzygotic in English dictionary postzygotic Meanings and definitions of "postzygotic" (biology) Following a zygotic stage adjective (biology) Following a zygotic stage Occurring after fertilization of the ovum by the sperm. more Grammar and declension of postzygotic postzygotic ( not comparable) postzygotic (not comparable) more Sample sentences with "postzygotic" Declension Stem Try again Available translations French German Portuguese Spanish Authors