/ Dictionary / Index H hydrosulfide: Meaning and Definition of Find definitions for: hy•dro•sul•fide Pronunciation: (hī"dru-sul'fīd, -fid), [key] — n. a compound containing the univalent group –HS. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrosulfate hydrosulfite 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