a heavy woven material used as the surface of a painting; first widely used in Venice.
a gradual transition from light to dark in a painting. Forms are not determined by sharp out lines, but by the meeting of lighter and darker areas.
the 1500s, or sixteenth century, in Italian art.
thin transparent layers put over a painting to alter the color and build up a rich sonorous effect.
nude corner figures on the Sistine Chapel ceiling.
a shrine built over a place of martyrdom or a grave of a martyred Christian saint.
an exterior angle on the facade of a building that has large dressed stone forming a decorative contrast with a wall.
an altarpiece in which the Madonna and Child are accompanied by saints and engaged in a "holy conversion"
a smoke-light or hazy effect that distances the viewer from the subject of a painting.