optical illusion definition, meaning - what is optical illusion in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “optical illusion”

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optical illusion

noun [C] uk   us  
something that tricks your eyes and makes you think you see something that is not really there, or see it differently from how it really is
Translations of “optical illusion”
in Chinese (Traditional) 視錯覺, 光幻覺…
in Russian оптический обман…
in Turkish göz yanılması, optik yanılsama…
in Chinese (Simplified) 视错觉, 光幻觉…
in Polish złudzenie optyczne…
(Definition of optical illusion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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