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catoptric

[ kə-tŏptrĭk ]
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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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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