cat's eye

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See also: catseye and cat's-eye


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Alternative forms[edit]


In mineralogy, a calque of French œil de chat.


Cat's eyes (road markings)
Cat's eyes (marbles)

cat's eye (plural cats' eyes)

  1. (Britain, Ireland, New Zealand, usually in the plural) A retroreflective device placed on a road surface as a marking that can be seen even at night.
  2. A glass marble with elongated colourful inclusions running through its axis.
  3. A gemstone exhibiting chatoyancy, a.k.a the cat's eye effect.
  4. (mineralogy) cymophane (translucent yellow chatoyant chrysoberyl)