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{%type%} Definitions

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n. - Branch of optics dealing with formation of images by mirrors.

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Usage examples (3)
  • Whatever the reasons, the fact is that considerable progress had already been made in both catoptrics, the study of reflected light, and dioptrics, the study of refraction.
  • The law of reflection was known as early as the time of Euclid, about 320 b.c., and to this geometrician was attributed, although probably erroneously, a "Treatise on Mirrors",...
  • 30 This case contradicts a received principle in catoptrics
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