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optical illusion
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noun
See under illusion (def. 4).
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Origin of optical illusion
First recorded in 1785â95
Words nearby optical illusion
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use optical illusion in a sentence
British Dictionary definitions for optical illusion
optical illusion
noun
an object causing a false visual impression
an instance of deception by such an object
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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