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
pyrope,
pyrophobia,
pyrophoric,
pyrophosphatase,
pyrophosphate,
pyrophosphoric acid,
pyrophotometer,
pyrophyllite,
pyroracemic acid,
pyrosis,
pyrostat
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-fôr′ĭk ]
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-fôr′ĭk ]
A viscous liquid used as a catalyst and in the manufacture of organic chemicals. Chemical formula: H4P2O7.