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optical illusion

   Also found in: Acronyms, Wikipedia, Hutchinson 0.02 sec.
optical illusion
n.
A visually perceived image that is deceptive or misleading.

optical illusion
n
1. an object causing a false visual impression
2. an instance of deception by such an object
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.optical illusionoptical illusion - an optical phenomenon that results in a false or deceptive visual impression
apparent motion, apparent movement, motion, movement - an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object; "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement"
mirage - an optical illusion in which atmospheric refraction by a layer of hot air distorts or inverts reflections of distant objects
optical phenomenon - a physical phenomenon related to or involving light
Translations
optical illusion nillusione f ottica
optical illusion nillusione f ottica


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? Mentioned in ? References in classic literature
 
On the whole tour, particularly at the Descent, we undergo an optical illusion which often seems to be incredible.
The entire ship's crew were undergoing a nervous excitement, of which I can give no idea: they could not eat, they could not sleep--twenty times a day, a misconception or an optical illusion of some sailor seated on the taffrail, would cause dreadful perspirations, and these emotions, twenty times repeated, kept us in a state of excitement so violent that a reaction was unavoidable.
It must be something in the currents, or a sort of optical illusion, because in the last shipwreck one man was saved, and he swore that at the time they struck the rock, they were headed straight for the light.
 
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