magnesium oxide magnesium nitride • magnesium sulfate · · · Info · Definitions · Synonyms · Characters · · magnesium oxide · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) a white solid mineral that occurs naturally as periclase; a source of magnesium. Synonyms: periclase, magnesia, magnesium oxide. · · Noun Definition 1 Synonyms · · · periclase · · Synonym 1 magnesia · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 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 s latin small letter s U+0073 u latin small letter u U+0075 x latin small letter x U+0078