a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles
a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty
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