sar·​don·​yx | \ sär-ˈdä-niks How to pronounce sardonyx (audio) also ˈsär-də-niks \

Definition of sardonyx

: an onyx having parallel layers of sard

Examples of sardonyx in a Sentence

Recent Examples on the Web Yet the sardonyx into which all this was carved is about a half-inch thick. Judith H. Dobrzynski, WSJ, 21 Sep. 2018

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

First Known Use of sardonyx

14th century, in the meaning defined above

History and Etymology for sardonyx

Middle English sardonix, from Latin sardonyx, from Greek

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The first known use of sardonyx was in the 14th century

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Cite this Entry

“Sardonyx.” Dictionary, Merriam-Webster, Accessed 16 Oct. 2021.

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