(n) a style of abstractionism popular in the 1960s; produces dramatic visual effects with colors and contrasts that are difficult for the eye to resolve
(n) a school of art that emerged in the United Kingdom in the 1950s and became prevalent in the United States and the United Kingdom in the 1960s; it imitated the techniques of commercial art (as the soup cans of Andy Warhol) and the styles of popular culture and the mass media