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Optical illusion   /ˈɑptɪkəl ɪlˈuʒən/   Listen
Optical illusion

noun
1.
An optical phenomenon that results in a false or deceptive visual impression.





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"Optical illusion" Quotes from Famous Books



... of a rush-bottomed chair, with its shadowy knees drawn up till they nearly touched its shadowy chin. There was something about the outline of this figure so indefinite and unsubstantial, that you might have taken it for an optical illusion, a spectral apparition on the point of vanishing. This thing was, however, possessed of voice, and was speaking in a low but distinct hissing whisper. As the whisper ended, Arabella Crane, without turning her face, spoke, also ...
— What Will He Do With It, Complete • Edward Bulwer-Lytton
... or scenery; an optical device which gave a distortion to the picture unless seen from a particular point; a relief, modelled to produce an optical illusion. ...
— Every Man In His Humour • Ben Jonson
... explained either as a real miracle implying a personal appearance of Christ, or as a pious fraud, or as a natural phenomenon in the clouds and an optical illusion, or finally as ...
— The Continental Monthly, Vol. 6, No 2, August, 1864 - Devoted to Literature and National Policy • Various


Words linked to "Optical illusion" :   mirage, motion, optical phenomenon, apparent movement, movement, apparent motion


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