/ Dictionary / Index V vincristine: Meaning and Definition of Find definitions for: vin•cris•tine Pronunciation: (vin-kris'tēn), [key] — n. Pharm. an alkaloid, CHNO, derived from the periwinkle, Vinca rosea, used in the management of leukemias and lymphomas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vincristine (Thesaurus) vincit omnia veritas* vinculum Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language