cyclo-oxygenase

A form of cyclooxygenase — Any of several enzymes that catalyze a cyclooxygenation reaction, but especially the conversion of arachidonic acid into prostaglandins (prostanoids); their inhibition is the mode of action of the NSAIDs aspirin and ibuprofen.

OriginEnglish oxygenase ← Classical Latin cyclicus ← French cyclique →
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Meanings

nouncyclo-oxygenase (plural cyclo-oxygenases)

plural cyclo-oxygenases

  1. alternativebiochemistryAlternative spelling of cyclooxygenase.

Origin

  1. Late Latincyclus
  2. Middle Englishcicle
  3. Englishcycle
  4. Ancient Greekκυκλῐκός (kuklĭkós)
  5. Classical Latincyclicu
  6. Middle Frenchcyclique
  7. Frenchcyclique
  8. Classical Latincyclicus
  9. Englishcyclic
  10. Englishcyclo-
  11. Englishoxygenase
  12. Englishcyclo-oxygenase

From cyclo- + oxygenase.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

Source: cyclo-oxygenase on Wiktionary, CC BY-SA 4.0.