/ Dictionary / Index F fluorine dating: Meaning and Definition of Find definitions for: fluor'ine dat"ing Pronunciation: [key] a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fluorine fluorite 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