'Hypophosphoric acid' definitions:
Definition of 'hypophosphoric acid'
From: WordNet
noun
A crystalline tetrabasic acid (H4P2O6)
Definition of 'Hypophosphoric acid'
From: GCIDE
- Hypophosphoric \Hy`po*phos*phor"ic\, a. [Pref. hypo- + phosphoric.] (Chem.) Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid. [1913 Webster]
- Hypophosphoric acid (Chem.), 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. [1913 Webster]