- sandblast⇄noun 1. a blast of air or steam containing sand, used to clean, grind, cut, or decorate hard surfaces, such as glass, stone, or metal.
2. the apparatus used to apply such a blast. A sandblast is often used in cleaning the outside of buildings face - sandblast⇄sandblast, noun, verb.
- sandblast⇄v.t., v.i. to use a sandblast on; clean, grind, cut, or decorate by a sandblast.
Ex. The accumulated grime was removed by sandblasting (New York Times).