'Tetroxide' definitions:
Definition of 'tetroxide'
(from WordNet)
noun
An oxide containing four atoms of oxygen in the molecule
Definition of 'Tetroxide'
From: GCIDE
- Tetroxide \Tet*rox"ide\, n. [Tetra- + oxide.] (Chem.) An oxide having four atoms of oxygen in the molecule; a quadroxide; as, osmium tetroxide, OsO4. [1913 Webster]