/ Dictionary / Index P polygenetic: Meaning and Definition of Find definitions for: pol•y•ge•net•ic Pronunciation: (pol"ē-ju-net'ik), [key] — adj. relating to or exhibiting polygenesis. having many or several different sources of origin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polygenesis polygenic inheritance Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language