/ Dictionary / Index G gynogenesis: Meaning and Definition of Find definitions for: gyn•o•gen•e•sis Pronunciation: ( jin"u-jen'u-sis, gī"nu-, jī"-), [key] — n. Biol. a type of reproduction by parthenogenesis that requires stimulation by a sperm to activate the egg into development but occurs without fusion of sperm and egg nuclei. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gynogenesis (Thesaurus) gynoecium gynomonoecious Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language