Traditionally used to add color to forms modeled in monochrome opaque paint. To impart a glass-like surface. Aged glaze is very sensitive to solvents. The shine, sheen or luster of the surface of a coating. See also sheen.
Dirt can be in the varnish, on top of the paint layer, or on top of the varnish.
A layer of opaque paint applied to a support to provide a suitable color and texture on which to draw or paint. The dullness of a surface removable by polishing. It usually results from faulty solvent balance or incompatibility of ingredients. The texture created in a paint surface by the movement of the brush. Impasto usually implies thick, heavy brushwork, but the term also refers to the crisp, delicate textures found in smoother paint surfaces.