adjective Optics.
pertaining to or produced by both reflection and refraction.

1715–25; cata- + dioptric Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
catadioptric (ˌkætədaɪˈɒptrɪk)
involving a combination of reflecting and refracting components: a catadioptric telescope
[C18: from cata- + dioptric]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
catadioptric  [%PREMIUM_LINK%]     (kāt'ə-dī-ŏp'trĭk)  Pronunciation Key 
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.

The American Heritage® Science Dictionary
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