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