/ Dictionary / Index V vitamin P: Meaning and Definition of Find definitions for: vitamin P Pronunciation: [key] bioflavonoid. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vitamin M vitascope Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language