optical illusion Meaning in the Cambridge English Dictionary
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Meaning of “optical illusion” in the English Dictionary

"optical illusion" in British English

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optical illusionnoun [C]

uk   us  
something that ​tricksyoureyes and makes you ​think you ​see something that is not really there, or ​see it ​differently from how it really is
(Definition of optical illusion from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"optical illusion" in American English

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optical illusionnoun [C]

 us   /ˈɑp·tɪ·kəl ɪˈlu·ʒən/
something that you ​think you ​see, but that is not really there: Some ​sort of optical illusion makes these things ​seem to ​travelfaster than they really do.
(Definition of optical illusion from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “optical illusion”
in Chinese (Simplified) 视错觉, 光幻觉…
in Turkish göz yanılması, optik yanılsama…
in Russian оптический обман…
in Chinese (Traditional) 視錯覺, 光幻覺…
in Polish złudzenie optyczne…
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