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hypophosphoric acid

noun

  1. a tetrabasic acid, H 4 P 2 O 6 , produced by the slow oxidation of phosphorous in moist air.


hypophosphoric acid

/ ˌhaɪpəfɒsˈfɒrɪk /

noun

  1. a crystalline odourless deliquescent solid: a tetrabasic acid produced by the slow oxidation of phosphorus in moist air. Formula: H 4 P 2 O 6
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of hypophosphoric acid1

First recorded in 1850–55

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hypophosphorichypophosphorous