| Answer | Crossword Clue |
|---|---|
| triatomic | having three atoms in the molecule ozone is triatomic oxygen |
| tetroxide | an oxide having four atoms of oxygen in the molecule; as, osmium tetroxide also TETROXID |
| tetroxides | TETROXIDE, an oxide having four atoms of oxygen in the molecule; as, osmium tetroxide also TETROXID |
| trisubstituted | having three substituent atoms or groups in the molecule |
| trioxides | An oxide containing three atoms of oxygen in its molecule or empirical formula |
| tricyclic | (of an organic compound) Having three fused rings of atoms in its molecule |
