Hypophosphoric acid Meaning, Definition & Usage
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noun a crystalline tetrabasic acid (H4P2O6)
WordNet
Definitions
(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.