- the branch of optics dealing with the formation of images by mirrors.
Origin of catoptrics
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Examples from the Web for catoptric
Two methods of lighting have been employed—the Catoptric and the Dioptric systems.Grace Darling
Catoptric, kat-op′trik, adj. relating to catoptrics or vision by reflection.
The floating lights of England are illuminated by means of lamps with metallic reflectors, on what is styled the catoptric system.The Floating Light of the Goodwin Sands
Another classification divides the instruments themselves into three classes: (a) catoptric, (b) dioptric and (c) catadioptric.
This optic embodied the first combination of dioptric and catoptric elements in one design (fig. 34).
- (functioning as singular) the branch of optics concerned with reflection, esp the formation of images by mirrors
C18: from Greek katoptrikos, from katoptron mirror
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for catoptric
Online Etymology Dictionary, © 2010 Douglas Harper
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