heterogony: Meaning and Definition of

het•er•og•o•ny

Pronunciation: (het"u-rog'u-nē), [key]
— n. Biol.
  1. the alternation of dioecious and hermaphroditic individuals in successive generations, as in certain nematodes.
  2. the alternation of parthenogenetic and sexual generations.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.