monoxide monoxenous • monoxime · · · Info · Definitions · Characters · · monoxide · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an oxide containing just one atom of oxygen in the molecule. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F x latin small letter x U+0078