a chalcedony that is used for cameos and has sard and chalcedony of another color, usually white, arranged in straight parallel bands.
Origin of sardonyx
1300–50; Middle English
< Greek sardónyx;
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for sardonyx
Historical Examples of sardonyx
On a rock of sardonyx he strove to break it then, but Durendala remained unharmed.
Van Busch was in the act of taking back the sardonyx signet-ring.
And after dinner she read me the first part of Sardonyx; it took three hours.
It is a happy phrase, that which closes the career of Sardonyx.
But they have no more to do with Sardinians than they have with sardines or sardonyx.
British Dictionary definitions for sardonyx
a variety of chalcedony with alternating reddish-brown and white parallel bands, used as a gemstone. Formula: SiO 2
Word Origin for sardonyx
C14: via Latin from Greek sardonux, perhaps from sardion sardine ² + onux nail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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