Also found in: Dictionary, Thesaurus, Medical, Legal.
The first or ground coat of paint applied to wood to fill the pores of the surface. The priming paint is mixed with turpentine to make it thinner than normal consistency.
prime coat, priming coat
A first coat with a primer, 1.
1. A paint, applied as a first coat, which serves the function of sealing and filling on wood, plaster, and masonry; inhibits rust and improves the adhesion of subsequent coats of paint on metal surfaces.
2. A thin liquid bitumen solvent; applied to a roof surface to absorb dust and to improve the adhesion of subsequent applications of bitumen.
3. A cartridge or container of explosives into which a detonator or detonating cord is inserted or attached.