'Dioxide' definitions:
Definition of 'dioxide'
From: WordNet
noun
An oxide containing two atoms of oxygen in the molecule
Definition of 'Dioxide'
From: GCIDE
- Dioxide \Di*ox"ide\ (?; 104), n. [Pref. di- + oxide.] (Chem.) (a) An oxide containing two atoms of oxygen in each molecule; binoxide. (b) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide. [Obs.] [1913 Webster]
- Carbon dioxide. See Carbonic acid, under Carbonic. [1913 Webster]