zirconium dioxide zirconium • zirconium oxide · · · Info · Definitions · Synonyms · Characters · · zirconium dioxide · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes. Synonyms: zirconium oxide, zirconia, zirconium dioxide. · · Noun Definition 1 Synonyms · · · zirconium oxide · · Synonym 1 zirconia · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 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 r latin small letter r U+0072 u latin small letter u U+0075 x latin small letter x U+0078 z latin small letter z U+007A