catoptric

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“
There are 2 main types of telescope, one is reflector telescopes (catoptric), and refracting telescopes (dioptric).

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Definitions (7)

Toggle American Heritage definitions American Heritage Dictionary (1)

  1. adjective Of or relating to mirrors and reflected images.

Toggle Century definitions Century Dictionary (5)

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Examples (10)

  • There are 2 main types of telescope, one is reflector telescopes (catoptric), and refracting telescopes (dioptric). —  Find Free Articles - ArticlesBase
  • Eisenoplasy, or esenoplastic power, is contradistinguished from fantasy, either catoptric or metoptric--repeating simply, or by transposition--and again, involuntary [fantasy] as in dreams, or by an act of the will The meaning is simple enough: it is much the same as that of the preceding paragraph. —  The Art of Letters
  • This 'catoptric' form of apparatus is still to some extent employed in our lighthouse-service, but for a long time past it has been more and more displaced by the great lenses devised by the illustrious Frenchman, Fresnel In a first-class 'dioptric' apparatus the light emanates from a lamp with several concentric wicks, the flame of which, being kindled by a very active draught, attains to great intensity. —  Fragments of science, V. 1-2
  • 'I am going to apply what is called the catoptric test. —  New Grub Street
  • Each of the white towers is sixty-one feet high, and contains a brilliant fixed catoptric or reflecting light. —  A Yacht Voyage Round England
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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Greek katoptrikos, from katoptron, mirror; see okw- in Indo-European roots.

Toggle Century etymologies Century Dictionary (1)

  1. = French catoptrique = Spanish catóptrico = Portuguese catoptrico; from Greek κατοπτρικός, of or in a mirror, from κάτοπτρον, a mirror: see catopter and -ic.
 

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/kæˈtɑptrɪk/
by American Heritage

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