Chiaroscuro

{ ‖Chia′ro‐scu″ro (?), ‖Chi‐a″ro–os‐cu″ro (?), } n. (a) The arrangement of light and dark parts in a work of art, such as a drawing or painting, whether in monochrome or in color. (b) The art or practice of so arranging the light and dark parts as to produce a harmonious effect. Cf. Clair-obscur.