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op art

noun [U]
 
 
/ˈɒpˌɑːt/ US  /ˈɑːpˌɑːrt/

Definition

a type of modern art that uses patterns that do not exist naturally in order to create images that appear to move or to be something that they are notArt history and artistic movements
(Definition of op art noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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