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adjective
1.
changing in luster or color: chatoyant silk.
2.
Jewelry. reflecting a single streak of light when cut in a cabochon.
noun
3.
Jewelry. a cabochon-cut gemstone having this reflected streak, as a chrysoberyl cat's-eye.
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Chatoyance
is always a great word to know.
So is doohickey. Does it mean:
| a stew of meat, vegetables, potatoes, etc. |
| a gadget; dingus; thingumbob. |
Origin:
1790–1800; < French, special use of present participle of chatoyer to change luster like a cat's eye, equivalent to chat cat1 + -oy- v. suffix + -ant -ant
1790–1800; < French, special use of present participle of chatoyer to change luster like a cat's eye, equivalent to chat cat1 + -oy- v. suffix + -ant -ant
Related forms
cha·toy·ance, cha·toy·an·cy, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To chatoyance
Encyclopedia Britannica
Encyclopedia
chatoyance
the property of some minerals to exhibit a wavy, luminous band with a silky lustre, reminiscent of the eye of a cat, in the centre of a cabochon-cut (polished, with a rounded, unfaceted convex surface) stone. The effect, caused by parallel fibres or by oriented imperfections or inclusions within the stone, is typical of cat's-eye, tigereye, satin spar, and bronzite. The fibres, imperfections, or inclusions are oriented along a crystallographic axis; it is this same kind of orientation, but along three axes, that accounts for the asterism of star sapphire and ruby.
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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