/ Dictionary / Index H heterogony: Meaning and Definition of Find definitions for: het•er•og•o•ny Pronunciation: (het"u-rog'u-nē), [key] — n. Biol. the alternation of dioecious and hermaphroditic individuals in successive generations, as in certain nematodes. the alternation of parthenogenetic and sexual generations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heterogonous heterograft Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language