. . . "a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes"@en-us . . "0"^^ . "115109391"^^ . . "114253969"@en-us . "zirconium dioxide"@en-us . "zirconium oxide"^^ . "0"^^ . . . "110841384"@en-us . . "15109391-n"^^ . . "zirconium oxide"@en-us . . "zirconia"@en-us . .