English word trioxygen comes from English quinone, English tri-
| Dictionary entry | Language | Definition |
|---|---|---|
| quinone | English (eng) | (organic compound) Any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring. |
| tri- | English (eng) | (chemistry) Used in combination with a known element name (e.g. 'tri-silicon') to designate an unknown element that would reside three periods lower than the known element on a Mendeleev-type periodic table. See Mendeleev's predicted elements. Three. |
| trioxygen | English (eng) | (inorganic compound) ozone (the triatomic allotrope of oxygen). |