: 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

Examples of zirconia in a Sentence

Recent Examples on the Web
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Infrared spectroscopy and simulated friction tests revealed that the composites containing 3 percent and 5 percent zirconia nanoparticles were the most slip-resistant. Jennifer Ouellette, Ars Technica, 4 Feb. 2025 This affordable engagement ring replica features a shining halo stone with sparkling zirconia chips on either side. Theresa Holland, Travel + Leisure, 13 June 2023

Word History

Etymology

New Latin, from International Scientific Vocabulary zircon

First Known Use

1794, in the meaning defined above

Time Traveler
The first known use of zirconia was in 1794

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Cite this Entry

“Zirconia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zirconia. Accessed 27 Apr. 2025.

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