/ Dictionary / Index F fluorescent: Meaning and Definition of Find definitions for: fluo•res•cent Pronunciation: (floo-res'unt, flô-, flō-), [key] — adj. possessing the property of fluorescence; exhibiting fluorescence. strikingly bright, vivid, or glowing: plastic toys in fluorescent colors. —n. a lighting fixture that utilizes a fluorescent lamp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fluorescent (Thesaurus) fluorescence-activated cell sorter fluorescent lamp Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language