/ Dictionary / Index H histogenesis: Meaning and Definition of Find definitions for: his•to•gen•e•sis Pronunciation: (his"tu-jen'u-sis), [key] — n. Biol. the origin and development of tissues. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. histogen histogram Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language