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zirconia

British  
/ zɜːˈkəʊnɪə /

noun

  1. another name (not in technical usage) for zirconium oxide

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cubic zirconia and rutile titania could meet demand in theory, but economic modeling by the Columbia team suggests production costs would skyrocket with increased demand.

From Science Daily • Oct. 21, 2025

Hegseth is the ultimate in cubic zirconia manhood.

From Salon • Nov. 14, 2024

A week later, Tiffany employees discovered during a routine inventory that the diamond ring had been replaced by a fake with a cubic zirconia stone.

From Seattle Times • May 6, 2024

There is a lot of confusion between zircons, a mined mineral, and cubic zirconia, an inexpensive synthetic crystal.

From New York Times • Feb. 3, 2024

It heats C02 to 900°C, then passes it over a zirconia electrolysis cell to yank the carbon atoms off.

From "The Martian" by Andy Weir