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 (kə-tŏp′trĭk) also ca·top·tri·cal (-trĭ-kəl)
Of or relating to mirrors and reflected images.

[Greek katoptrikos, from katoptron, mirror; see okw- in Indo-European roots.]

ca·top′trics n.


(General Physics) (functioning as singular) the branch of optics concerned with reflection, esp the formation of images by mirrors
[C18: from Greek katoptrikos, from katoptron mirror]
caˈtoptric, caˈtoptrical adj


(kəˈtɒp trɪks)

n. (used with a sing. v.)
the branch of optics dealing with the formation of images by mirrors.
[1560–70; < Greek katoptrikós <kátoptr(on) mirror (kat- cat- + op- see (compare diopter, optic)]
ca•top′tric, ca•top′tri•cal, adj.
ca•top′tri•cal•ly, adv.


the study of light reflection. — catoptric, catoptrical, adj. — catoptrically, adv.
See also: Light
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.catoptrics - branch of optics dealing with formation of images by mirrors
optics - the branch of physics that studies the physical properties of light
References in periodicals archive ?
De Beni offers, for example, Enrique Rambal's use of a series of projections and catoptrics in order to exhibit the accident of the Orient Express caused by Dracula while presenting his supernatural stokerian drama.
--the move from the catoptrics (i.e., the branch of optics dealing with reflection) of the spectacle to the dioptrics (i.e., the branch of optics dealing with refraction) of control (p.
Later work on catoptrics shows that there is a precise geometry to the angles and apparent distances at which objects appear 'behind' the mirror, a phenomenon that Aristotle's account ignores.