• synonyms


adjective Optics.
  1. pertaining to or produced by both reflection and refraction.
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Origin of catadioptric

First recorded in 1715–25; cata- + dioptric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for catadioptric

Historical Examples of catadioptric

  • Each instrument carries six, five of which can be attached at pleasure either to the catadioptric or the achromatic.

    Quarterly Journal of Science, Literature and the Arts, July-December, 1827


  • The catadioptric lens, or holophote, gives a far more powerful but a more concentrated beam than the parabolic reflector.

  • The apparatus is of the first catadioptric order, lighted by a first-class pressure lamp.

  • Another classification divides the instruments themselves into three classes: (a) catoptric, (b) dioptric and (c) catadioptric.

British Dictionary definitions for catadioptric


  1. involving a combination of reflecting and refracting componentsa catadioptric telescope
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Word Origin for catadioptric

C18: from cata- + dioptric
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

catadioptric in Science


  1. Relating to both the reflection and refraction of light, especially by a combination of mirrors and lenses or by a prism. Catadioptric systems are used in Fresnel lenses, optical calibration equipment, and some telescopes. Compare catoptric dioptric.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.