/ Dictionary / Index B bisulfide: Meaning and Definition of Find definitions for: bi•sul•fide Pronunciation: (bī-sul'fīd, -fid), [key] — n. Chem. a disulfide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bisulfate bisulfite Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language