Dizzying pictures (2,3)
'dizzying pictures' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for op art that I've seen before include "Style of painting having an illusion of movement" , "It may give the impression of movement" , "abstract works at Tate Modern?" , "sort of painting" , "Illusory abstract style" .)
'dizzying pictures' is the definition.
(I've seen this in another clue)
This is all the clue.