English Explanatory Dictionary

pyrophosphoric acid

English dictionary entry

Meanings

noun
  1. A syrupy liquid formed by the dehydration of phosphoric acid; its salts, the pyrophosphates, are used in medicine.
  2. 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.

Word forms

pyrophosphoric acid

Etymology

From pyro- + phosphoric acid.

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