op art <p>Refers to the international art movement that flourished in Europe and America in the mid-1960s. The style is charcterized by the careful manipulation of bold, sharply contrasting shapes and colors in order to create vitural movement, vibration, or chromatic tension.</p> <p>Source: Art &amp; Architecture Thesaurus</p> <p><span class="page">http://vocab.getty.edu/page/aat/300022195</span></p>