/ Dictionary / Index P polyembryony: Meaning and Definition of Find definitions for: pol•y•em•bry•o•ny Pronunciation: (pol"ē-em'brē-u-nē, -ō"nē, -em-brī'u-nē), [key] — n. Embryol. the production of more than one embryo from one egg. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyelectrolyte polyene Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language