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| sar·don·yx [ saar dónniks ] (plural sar·don·yx·es) |
noun |
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| Definition: |
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semiprecious stone: a variety of onyx with alternating bands of light orange brown and white chalcedony. Use: formerly, cameos.
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| [14th century. Via Latin< Greek sardonux, literally "sard onyx"] |
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