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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.





WordNet 3.0 © 2010 Princeton University


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"Optical illusion" Quotes from Famous Books



... a civil engineer of prominence, and a member of the British Association and the Royal Society of Edinburgh. He wrote (1863) on "Pepper's Ghost," an ingenious optical illusion invented by him. There was a second edition of ...
— A Budget of Paradoxes, Volume II (of II) • Augustus de Morgan


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