Pyrophosphoric Pyr`o*phos*phor"ic, a. [Pyro- + phosphoric.] (Chem.) Pertaining to, or designating, an acid, {H4P2O7}, which is obtained as a white crystalline substance. Its salts are obtained by heating the phosphates. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • pyrophosphoric — adjective see above • • • Main Entry: ↑pyro …   Useful english dictionary

  • pyrophosphoric — adjective of, or relating to pyrophosphoric acid or its derivatives …   Wiktionary

  • pyrophosphoric — adj. pertaining to pyrophosphoric acid (Chemistry) …   English contemporary dictionary

  • pyrophosphoric acid — [pī΄rə fäs fôr′ik] n. [ PYRO + PHOSPHORIC] a viscous liquid acid, H4P2O7, which crystallizes when left standing at ordinary temperatures and is easily converted to orthophosphoric acid upon dilution with water …   English World dictionary

  • Pyrophosphoric acid — Chembox new ImageFile = Pyrophosphoric acid 2D.png ImageName = Chemical structure of pyrophosphoric acid ImageFile1 = Pyrophosphoric acid 3D vdW.png ImageName1 = 3D model of pyrophosphoric acid IUPACName = diphosphoric acid μ oxido… …   Wikipedia

  • pyrophosphoric — py·ro·phosphoric …   English syllables

  • pyrophosphoric acid — noun Etymology: International Scientific Vocabulary Date: 1832 a crystalline acid H4P2O7 formed when orthophosphoric acid is heated or prepared in the form of salts by heating acid salts of orthophosphoric acid …   New Collegiate Dictionary

  • pyrophosphoric acid — /puy roh fos fawr ik, for , puy /, Chem. a crystalline, water soluble powder, H4P2O7, formed by the union of one molecule of phosphorus pentoxide with two molecules of water. [1865 70; PYRO + PHOSPHORIC] * * * …   Universalium

  • pyrophosphoric acid — noun a) A syrupy liquid formed by the dehydration of phosphoric acid; its salts, the pyrophosphates, are used in medicine. b) The acid formed by removing a molecule of water from two molecules of phosphoric acid, HPO; this reaction slowly reverse …   Wiktionary

  • pyrophosphoric acid — An anhydride of phosphoric acid obtained by heating phosphoric acid to 213°C; it forms pyrophosphates with bases, and its esters are important in energy metabolism and in biosynthesis. * * * py·ro·phos·pho·ric acid fäs .fȯr ik , .fär ; .fäs f(ə… …   Medical dictionary

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