/ Dictionary / Index F fluorene: Meaning and Definition of Find definitions for: fluor•ene Pronunciation: (floor'ēn, -in, flôr'-, flōr'-), [key] — n. Chem. a white, crystalline, water-insoluble solid, CH, used chiefly in the manufacture of resins and dyes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fluorapatite fluoresce Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language