catoptrics

catoptrics

[kuh-top-triks]
noun (used with a singular verb)
the branch of optics dealing with the formation of images by mirrors.

Origin:
1560–70; < Greek katoptrikós, equivalent to kátoptr(on) mirror (kat- cat- + op- see + -tron suffix of instruments) + -ikos -ic; see -ics

catoptric, catoptrical, adjective
catoptrically, adverb
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World English Dictionary
catoptrics (kəˈtɒptrɪks)
 
n
(functioning as singular) the branch of optics concerned with reflection, esp the formation of images by mirrors
 
[C18: from Greek katoptrikos, from katoptron mirror]
 
ca'toptric
 
adj
 
ca'toptrical
 
adj

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