chatoyant [shuh-toi-uh nt]
1. changing in luster or color: chatoyant silk.
2. Jewelry. reflecting a single streak of light when cut in a cabochon.
3. Jewelry. a cabochon-cut gemstone having this reflected streak, as a chrysoberyl cat's-eye.
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Origin: 1790-1800; < French, special use of present participle of chatoyer to change luster like a cat's eye, equivalent to chat cat + -oy- v. suffix + -ant -ant
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