Monoxide
Pronunciation : Mo*nox"ide
Part of Speech : n.
Etymology : [Mon- + oxide.] (Chem.)
Definition : Defn: An oxide containing one atom of oxygen in each molecule; as, barium monoxide.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder