pyrophosphoric acid

[ pahy-roh-fos-fawr-ik, -for-, pahy- ]
/ ˈpaɪ roʊ fɒsˈfɔr ɪk, -ˈfɒr-, ˌpaɪ- /

noun Chemistry.

a crystalline, water-soluble powder, H4P2O7, formed by the union of one molecule of phosphorus pentoxide with two molecules of water.

Origin of pyrophosphoric acid

First recorded in 1865–70; pyro- + phosphoric

Words nearby pyrophosphoric acid

British Dictionary definitions for pyrophosphoric acid

pyrophosphoric acid
/ (ˌpaɪrəʊfɒsˈfɒrɪk) /

noun

a crystalline soluble solid acid formed by the reaction between one molecule of phosphorus pentoxide and two water molecules. Formula: H 4 P 2 O 7 See also polyphosphoric acid

Medical definitions for pyrophosphoric acid

pyrophosphoric acid
[ pī′rō-fŏs-fôrĭk ]

n.

A syrupy viscous liquid used as a catalyst, in organic chemical synthesis, and, in its salt forms, as medicines.

Scientific definitions for pyrophosphoric acid

pyrophosphoric acid
[ pī′rō-fŏs-fôrĭk ]

A viscous liquid used as a catalyst and in the manufacture of organic chemicals. Chemical formula: H4P2O7.