- hypophosphate
- hypophosphate [hī΄pō fäs′fāt΄, hī΄pəfäs′fāt]n.1. a salt of hypophosphoric acid containing any of several negative radicals, monovalent HP2O6, divalent H2P2O6, trivalent H3P2O6, or tetravalent P2O62. an uncharged ester of this acid
English World dictionary. V. Neufeldt. 2014.