/ Dictionary / Index D disulphate: Meaning and Definition of Find definitions for: di•sul•phate Pronunciation: (dī-sul'fāt), [key] — n. Chem. disulfate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disulfuric disunify Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language