/ Dictionary / Index H hydrosulfite: Meaning and Definition of Find definitions for: hy•dro•sul•fite Pronunciation: (hī"dru-sul'fīt), [key] — n. Chem. hyposulfite (def. 1). See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrosulfide hydrosulfurous 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