/ Dictionary / Index P postembryonic: Meaning and Definition of Find definitions for: post•em•bry•on•ic Pronunciation: (pōst-em"brē-on'ik, pōst"em-), [key] — adj. occurring after the embryonic phase. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. postdoctoral postemergence Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language