/ Dictionary / Index F fluorometer: Meaning and Definition of Find definitions for: fluo•rom•e•ter Pronunciation: (floo-rom'i-tur, flô-, flō-), [key] — n. an instrument for measuring fluorescence, often as a means of determining the nature of the substance emitting the fluorescence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fluorography fluorophosphate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language