zir·​co·​nia ˌzər-ˈkō-nē-ə How to pronounce zirconia (audio)
: 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 This affordable engagement ring replica features a shining halo stone with sparkling zirconia chips on either side. Theresa Holland, Travel + Leisure, 13 June 2023 The technicolor models are made of a pure ceramic called tetragonal zirconia polycrystal, which contains 95% zirconia. Carol Besler, Robb Report, 14 July 2021 Handmade with solid 14-karat gold and Cubic zirconia accents, the minimalist-style necklace is elegant and fun to wear. Robin Raven, Forbes, 27 Jan. 2022 Costume Institute gunmetal and zirconia pendant choker, $75; 18-karat gold plate and zirconia mixed cross bracelet, $50; 18-karat gold plate and zirconia pendant necklace, $90; at store.metmuseum.org. Hayley Phelan, New York Times, 9 May 2018 The company makes nanocrystals — specks of zirconia a fraction of the width of a strand of hair — that can be added to polymers and coatings to improve the adhesiveness of specialty glues and improve refraction in LED lights. Christopher Dinsmore, baltimoresun.com, 18 Apr. 2018 The best outfits employ staffers with appraisal skills who can tell whether Uncle Bob’s wingback chair is a valuable antique and determine if those family diamonds are really cubic zirconia. Jennifer Barger, The Seattle Times, 28 July 2017 For an attention-grabbing embellished choker, check out Fallon Jewelry's extra large netted cubic zirconia model that is on sale ($495; modaoperandi.com) or Jennifer Behr's wide Swarovski crystal interpretation ($825; jenniferbehr.com). 2. Nicole Saunders, Billboard, 2 June 2017 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'zirconia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near zirconia

Cite this Entry

“Zirconia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zirconia. Accessed 4 Mar. 2024.

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