/ Dictionary / Index H hypophosphite: Meaning and Definition of Find definitions for: hy•po•phos•phite Pronunciation: (hī"pu-fos'fīt), [key] — n. a salt of hypophosphorous acid, as sodium hypophosphite, NaHPO. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypophosphate hypophosphoric Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language