/ Dictionary / Index H heterogamous: Meaning and Definition of Find definitions for: het•er•og•a•mous Pronunciation: (het"u-rog'u-mus), [key] — adj. having unlike gametes, or reproducing by the union of such gametes (opposed to isogamous). having flowers or florets of two sexually different kinds (opposed to homogamous). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heterogametic heterogamy 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