From tri- + oxygen. <span class="searchmatch">trioxygen</span> (uncountable) (inorganic chemistry) ozone (the triatomic allotrope of oxygen)...
From tri- + oxygène. trioxygène m (plural trioxygènes) <span class="searchmatch">trioxygen</span> Synonym: ozone...
out of suck up all the oxygen in tetraoxygen theoretical oxygen demand <span class="searchmatch">trioxygen</span> triplet oxygen waste of oxygen BSCCO Entonox hydroxy- hydroxyl oxide oxo-...