dioptrical

dioptric

[dahy-op-trik]
adjective
1.
Optics. pertaining to dioptrics: dioptric images.
2.
Optics, Ophthalmology. noting or pertaining to refraction or refracted light.
Also, dioptrical.


Origin:
1625–35; < Greek dioptrikós. See diopter, -ic

dioptrically, adverb
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World English Dictionary
dioptric or dioptrical (daɪˈɒptrɪk)
 
adj
1.  of or concerned with dioptrics
2.  of or denoting refraction or refracted light
 
dioptrical or dioptrical
 
adj
 
di'optrically or dioptrical
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
dioptric  [%PREMIUM_LINK%]     (dī-ŏp'trĭk)  Pronunciation Key 
Relating to the refraction of light, especially by a lens. Dioptric lenses are used in Fresnel lenses and camera viewfinders. Compare catadioptric, catoptric.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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