• (n.) A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide.
Deu·tox'ide noun [ Prefix deut- + oxide .] (Chemistry) A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide , or less frequently, binoxide . 
A deutoxide is a compound of two atoms of oxygen to one or more of a metal.