Trioxygen
//tɹaɪˈɒksɪdʒən// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 ozone (the triatomic allotrope of oxygen) uncountable
Etymology
From tri- + oxygen.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.