/ Dictionary / Index B bifluoride: Meaning and Definition of Find definitions for: bi•fluor•ide Pronunciation: (bī-floor'īd, -flôr'-, -flōr'-), [key] — n. Chem. an acid salt of hydrofluoric acid containing the group HF-, as ammonium bifluoride, NHHF Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biflex bifocal Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language