zirconia

noun

zir·​co·​nia ˌzər-ˈkō-nē-ə 

: 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

Both the Oura Ring 5 and the Oura Ring 4 are made of titanium, though the older model is also available with a zirconia ceramic exterior. — Andrew Gebhart, PC Magazine, 4 June 2026

To do the former, add some strappy sandals and consider diamond (or zirconia) accessories. — Emily Kelleher, InStyle, 23 May 2026

Crown packages with zirconia or E-max materials begin at £1,030 and also last 4–5 days. — K.h. Koehler, USA Today, 28 Apr. 2026

After printing, crowns must undergo debinding, which removes the resin holding zirconia particles, and sintering, which fuses the particles into a solid structure. — Neetika Walter, Interesting Engineering, 17 Oct. 2025

Word History

Etymology

New Latin, from International Scientific Vocabulary zircon

First Known Use

1794, in the meaning defined above

Phrases Containing zirconia

• cubic zirconia

Rhymes for zirconia

• aphonia
• chelonia
• cladonia
• colonia
• dystonia
• harmonia
• koinonia
• oogonia
• polonia
• sinfonia
• catatonia
• hypotonia