/ Dictionary / Index F fluorosis: Meaning and Definition of Find definitions for: fluo•ro•sis Pronunciation: (floo-rō'sis, flô-, flō-), [key] — n. Pathol. an abnormal condition caused by excessive intake of fluorides, characterized in children by discoloration and pitting of the teeth and in adults by pathological bone changes. Also calledthe changes in tooth enamel symptomatic of fluorosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fluorosis (Thesaurus) fluoroscopy fluorouracil Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language