Webster's Revised Unabridged Dictionary · 1913

Hypophosphoric

Hypophosphoric , adjective

[Prefix hypo- + phosphoric.]

(Chemistry) Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid.
Collocations (1)
Hypophosphoric acid (Chemistry) , 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.