/ Dictionary / Index F fluorinate: Meaning and Definition of Find definitions for: fluor•i•nate Pronunciation: (floor'u-nāt", flôr'-, flōr'-), [key] — -nat•ed, -nat•ing. to treat or combine with fluorine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fluorimeter fluorine Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language