Key - used to describe te prevailing tone of a painting. A predominantly light painting is said to have a high key. In contemporary mural painting, the key is the
result of scratching a walls surface to prepare for final layer of plaster - similar to "tooth".
Lake - a dye that has been chemically or electrically attached to a particle and does not bleed or migrate./li>
Latex - a dispersion in water of a solid polymeric material.
Leaching - the process of drawing out excess liquid through a porous substance.
Lean - used as an adjective to describe paint thinned with a spirit, which therefore has a low oil content.
Levigating - a method of water-washing pulverized pigments to clear the particles of dissolved salts or organic matter.
Local Color - the actual color of an object or surface, unaffected by shadow coloring, light quality or other factors.
Loom State - canvas that has not been primed, sized or otherwise prepared beforehand for painting.
Matiere - paint.
Marouflage - a technique for attaching, with glue, mural size painting on paper or fabric to a wall.
Masstone - the top tone or body color of a paint seen only by reflected light.
Mat - a stiff cardboard with a window cut out of the center, attached to a backboard.
Matte - flat, nonglossy; having a dull surface appearance. Variant spelling - matt.
Medium - the liquid in which pigments are suspended. Also a material chosen by the artist for working. Pural is Media.
Migration - the action of a pigment or dye moving through a dried film above or below it.
Mixed Media - in drawing and painting this refers to the use of different media in the same picture.
Monomer - a material with low molecular weight that can react with similar or dissimilar materials to form a polymer.
Mosaic - picture making technique using small units of variously coloed materials(glass, tile, stone) set in a mortar.
Mural - also referred to as wall painting, this word describes any paiting made directly on the wall.
Museum Board - multiply board made of custom rags or buffered cellulose to ensure chemical stability and neutrality.