[sahy-kluh-ram-uh, -rah-muh]
a pictorial representation, in perspective, of a landscape, battle, etc., on the inner wall of a cylindrical room or hall, viewed by spectators occupying a position in the center.
Theater. a curved wall or drop at the back of a stage, used for creating an illusion of unlimited space or distance in the background of exterior scenes or for obtaining lighting effects.

1830–40; cycl- + Greek (h)órāma view; cf. panorama

cycloramic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cyclorama (ˌsaɪkləʊˈrɑːmə)
1.  Also called: panorama a large picture, such as a battle scene, on the interior wall of a cylindrical room, designed to appear in natural perspective to a spectator in the centre
2.  theatre
 a.  a curtain or wall curving along the back of a stage, usually painted to represent the sky and serving to enhance certain lighting effects
 b.  any set of curtains that enclose the back and sides of a stage setting
[C19: cyclo- + Greek horama view, sight, on the model of panorama]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

"picture of a landscape on the interior surface of a cylindrical space," 1840, formed in Mod.L. from cyclo- (from Gk. kyklos "circle") + -orama "spectacle."
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


in theatre, background device employed to cover the back and sometimes the sides of the stage and used with special lighting to create the illusion of sky, open space, or great distance at the rear of the stage setting. Introduced early in the 20th century, a cyclorama usually forms a smoothly curving, concave wall at the rear of the stage. Some, called dome horizons, also curve at the top, heightening the illusion of open space. Although some theatres have a curved back wall that serves as a permanent cyclorama, it most commonly consists of a drop curtain that can be raised or lowered according to need.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
The sense of mystery increased once they entered the building and followed a corridor to the cyclorama entrance.
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