A.W.S.:  Abbreviation of the American Watercolor Society, established in 1866. . . .
Abrasion Resistance:  Resistance to being worn away by rubbing or friction; related more to toughness . . .
Abrasive:  Used for wearing away a surface by rubbing. Examples are powdered pumice, rotten . . .
Abstract Art:  Painting that purports to be completely non-objective, with no reference to natu . . .
Academy Board:  An economic board for oil-painting. It is made from several sheets of paper size . . .
Accent:  A detail, brushstroke, or area of color placed in a painting for emphasis. . . .
Acid Free:  Acid free refers to papers without acid (ph) in the pulp when manufactured. High . . .
Acrylics:  Pigments dispersed with acrylic resin (synthetic resins made by polymerization o . . .
Adhesion:  The strength of a paint or sealant to remain attached to a surface. . . .
Aerosol:  A product feature that uses compressed gas to spray the product from its contain . . .
Airbrush:  An implement that resembles a thick fountain-pen and which has a small container . . .
Airless Spray:  A spray that increases the fluid pressure of paint by means of a pump that cause . . .
Alia Prima:  A method by which a painting is usually completed in one sitting�painting in a . . .
Alkalai:  A basic, or caustic, chemical substance. Found in fresh cement, concrete, plaste . . .
Alkyd:  Synthetic resin modified with oil for good adhesion to a clean surface and good . . .
Alkyds:  These recently introduced colours act as an extension to oil-painting. They have . . .
Alla Prima:  To paint a picture in one sitting, particularly applicable to oil-painting. The . . .
Alligatoring:  Condition of paint film where surface is cracked and develops an appearance simi . . .
Altarpiece:  A decorated screen, panel or series of panels, fixed or movable, placed on or be . . .
Aluminum Paint:  A paint that includes aluminum particles and gives a metallic finish when dried. . . .