Painting.the use of deep variations in and subtle gradations of light and shade, especially to enhance the delineation of character and for general dramatic effect: Rembrandt is a master of chiaroscuro.
a woodcut print in which the colors are produced by the use of different blocks with different colors.
a sketch in light and shade.
Origin: 1680–90; < Italian, equivalent to chiaro bright (< Latinclārus) + oscuro dark (< Latinobscūrus). See clear, obscure