trioxygen

T1R1I1O1X8Y4G2E1N1
/tɹaɪˈɒksɪdʒən/

noun

ozone (the triatomic allotrope of oxygen)

OriginEnglish oxygen ← French oxygène ← Ancient Greek γένος (génos) →
Scrabble 20
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Meanings

nountrioxygen (uncountable)
  1. uncountablechemistryozone (the triatomic allotrope of oxygen)

Origin

  1. Englishtri-
  2. Proto-Indo-European*h₂eḱ-der.?
  3. Ancient Greekὀξύς (oxús)
  4. Proto-Indo-European*ǵenh₁-
  5. Proto-Indo-European*ǵénh₁os
  6. Proto-Hellenic*génos
  7. Ancient Greekγένος (génos)
  8. Frenchoxygène
  9. Englishoxygen
  10. Englishtrioxygen

From tri- + oxygen.

Full word history & related roots →

Rhymes & wordplay

Rhymes with trioxygen

dioxygen
All rhymes →
Cite this entry
APA

trioxygen. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/trioxygen

MLA

“trioxygen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trioxygen. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “trioxygen,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/trioxygen.

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