/ Dictionary / Index H hydrosulfate: Meaning and Definition of Find definitions for: hy•dro•sul•fate Pronunciation: (hī"dru-sul'fāt), [key] — n. a salt formed by the direct union of sulfuric acid with an organic base, esp. an alkaloid, and usually more soluble than the base. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrostatics hydrosulfide Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language