Catoptric



the branch of optics dealing with the formation of images by mirrors.
Historical Examples

noun
(functioning as sing) the branch of optics concerned with reflection, esp the formation of images by mirrors
adj.

“pertaining to mirrors or a mirror,” 1774, from Latinized form of Greek katoptrikos, from katoptron “mirror,” from kata- “against” (see cata-) + stem of optos “seen, visible” (see optic) + instrumental suffix -tron. Related: Catoptrics; catoptrical.
catoptric
(kə-tŏp’trĭk)
Relating to the reflection of light, especially by a mirror. Catoptric lenses are used in Fresnel lenses and many telescopes. Compare catadioptric, dioptric.

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