orthophosphate

O1R1T1H4O1P3H4O1S1P3H4A1T1E1

noun

Any salt or ester of orthophosphoric acid; an ordinary phosphate

Similar
phosphateinorganic phosphate
UncommonScrabble 27

Meanings

nounorthophosphate (plural orthophosphates)

plural orthophosphates

  1. chemistryAny salt or ester of orthophosphoric acid; an ordinary phosphate

Synonyms & antonyms

nouna salt of phosphoric acid

Similar
phosphateinorganic phosphate
Broader
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*h₃er-
  2. Proto-Indo-European*dʰeh₁-
  3. Proto-Indo-European*h₃érdʰeti?
  4. Proto-Indo-European*h₃erdʰ-
  5. Proto-Hellenic*ortʰwós
  6. Ancient Greekὀρθός (orthós)
  7. Englishortho-
  8. Proto-Indo-European*bʰeh₂-
  9. Proto-Indo-European*bʰéh₂os
  10. Proto-Hellenic*pʰáwos
  11. Ancient Greekφᾰ́ος (phắos)
  12. Ancient Greekφῶς (phôs)
  13. Proto-Indo-European*bʰer-
  14. Proto-Indo-European*bʰéreti
  15. Proto-Hellenic*pʰérō
  16. Ancient Greekφέρω (phérō)
  17. Ancient Greekφωσφόρος (phōsphóros)
  18. Latinphōsphorus
  19. Frenchphosphore
  20. Frenchphosphate
  21. Englishphosphate
  22. Englishorthophosphate

From ortho- + phosphate.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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