noun zir·co·nia \ˌzər-ˈkō-nē-ə\

Definition of zirconia

  1. :  a white crystalline compound ZrO2 used especially in refractories, in thermal and electric insulation, in abrasives, and in enamels and glazes —called also zirconium oxide

Origin and Etymology of zirconia

New Latin, from International Scientific Vocabulary zircon

First Known Use: 1797

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