pyrophosphoric acid

noun

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

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Meanings

nounpyrophosphoric acid (uncountable)
  1. uncountableA syrupy liquid formed by the dehydration of phosphoric acid; its salts, the pyrophosphates, are used in medicine.
  2. uncountablechemistryThe acid formed by removing a molecule of water from two molecules of phosphoric acid, H₄P₂O₇; this reaction slowly reverses in the presence of water.

Origin

From pyro- + phosphoric acid.

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Cite this entry
APA

pyrophosphoric acid. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/pyrophosphoric%20acid

MLA

“pyrophosphoric acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pyrophosphoric%20acid. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “pyrophosphoric acid,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/pyrophosphoric%20acid.

Source: pyrophosphoric acid on Wiktionary, CC BY-SA 4.0.