Definition of zirconia
: 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 of zirconia
New Latin, from International Scientific Vocabulary zircon
First Known Use: 1797
Seen and Heard
What made you want to look up zirconia? Please tell us where you read or heard it (including the quote, if possible).