D defs.my
Entry 1 sense Webster, 1913

Hypophosphoric

· Hy·po·phos·phor·ic · IPA
01 a. Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid.
  1. 1.
    Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid.(Chem.)
Phrases & compounds
Hypophosphoric acid — an acid, P2H4O6, produced by the slow oxidation of moist phosphorus, and isolated only as a solution in water. It is regarded as a condensation product of one molecule of phosphoric acid with one of phosphorous acid, by partial dehydration.