/ Dictionary / Index F fluoridate: Meaning and Definition of Find definitions for: fluor•i•date Pronunciation: (floor'i-dāt", flôr'-, flōr'-), [key] — -dat•ed, -dat•ing. to introduce a fluoride into: to fluoridate drinking water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fluoridate (Thesaurus) fluoric fluoridation Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language