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Word: pyrophosphoric acid (lookup usage) (lookup stats)


Meaning:

Noun:

  • A syrupy liquid formed by the dehydration of phosphoric acid; its salts, the pyrophosphates, are used in medicine.
  • inorganic compound The acid formed by removing a molecule of water from two molecules of phosphoric acid, H4P2O7; this reaction slowly reverses in the presence of water.

Source: Wiktionary | Src Info »