cubic zirconia

noun

variants: or less commonly cubic zirconium

|Updated on: 18 May 2018

Definition of cubic zirconia

: a synthetic gemstone of zirconia resembling a diamond

Recent Examples of cubic zirconia from the Web

Should Justify be scratched, the middle jewel of the Triple Crown could be downgraded from a diamond to cubic zirconia.

— tim sullivan, The Courier-Journal, "When favorites like Justify win, so does everyone else involved," 7 May 2018
But the aboveground versions are not imitation diamonds, like cubic zirconia or moissanite.

— paul sullivan, New York Times, "A Battle Over Diamonds: Made by Nature or in a Lab?," 9 Feb. 2018
Jewelry made of fool’s gold and cubic zirconia. ...

— nick canepa, sandiegouniontribune.com, "Padres still trying to find their identity as they look to future," 16 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cubic zirconia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.