dioptric

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di·op·tric

 (dī-ŏp′trĭk) also di·op·tri·cal (-trĭ-kəl)
adj.
1. Of or relating to dioptrics.
2. Relating to optical refraction; refractive.

[Greek dioptrikos, from dioptrā, an optical instrument; see diopter.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dioptric

(daɪˈɒptrɪk) or

dioptrical

adj
1. (General Physics) of or concerned with dioptrics
2. (General Physics) of or denoting refraction or refracted light
diˈoptrically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

di•op•tric

(daɪˈɒp trɪk)

adj.
of or pertaining to refraction or refracted light.
Also, di•op′tri•cal.
[1625–35; < Greek dioptrikós. See diopter, -ic]
di•op′tri•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Translations

dioptric

a. dióptrico, referente a la refración de la luz.
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