/ Dictionary / Index V virescence: Meaning and Definition of Find definitions for: vi•res•cence Pronunciation: (vī-res'uns, vi-), [key] — n. Bot. state of becoming somewhat, though usually not totally, green, due to the abnormal presence of chlorophyll. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vireo virescent Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language