/ Dictionary / Index H heterogametic: Meaning and Definition of Find definitions for: het•er•o•ga•met•ic Pronunciation: (het"u-rō-gu-met'ik), [key] — adj. Genetics. (of a species or individual organism) having two unlike gametes. Cf. homogametic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heterogamete heterogamous Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language