hypophosphate

H4Y4P3O1P3H4O1S1P3H4A1T1E1

noun

The oxyanion of phosphorus P₂O₆⁴⁻ derived from hypophosphoric acid; any salt containing this anion

OriginEnglish phosphate ← French phosphate ← Ancient Greek ὑπο- (hupo-) →
Scrabble 31
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Meanings

nounhypophosphate (plural hypophosphates)

plural hypophosphates

  1. chemistryThe oxyanion of phosphorus P₂O₆⁴⁻ derived from hypophosphoric acid; any salt containing this anion

Origin

  1. Proto-Indo-European*upó
  2. Ancient Greekῠ̔πό (hŭpó)
  3. Ancient Greekὑπο- (hupo-)
  4. Englishhypo-
  5. Frenchphosphate
  6. Englishphosphate
  7. Englishhypophosphate

From hypo- + phosphate.

Full word history & related roots →

Translations

Irish hipeafosfáit, fofhosfáit
  • hipeafosfáitthe oxyanion of phosphorus P2O64- derived from hypophosphoric acid; any salt containing this anion
  • fofhosfáitthe oxyanion of phosphorus P2O64- derived from hypophosphoric acid; any salt containing this anion
Italian ipofosfato
  • ipofosfatothe oxyanion of phosphorus P2O64- derived from hypophosphoric acid; any salt containing this anion
Cite this entry
APA

hypophosphate. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hypophosphate

MLA

“hypophosphate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hypophosphate. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hypophosphate,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hypophosphate.

Source: hypophosphate on Wiktionary, CC BY-SA 4.0.