Real Dictionary

sandblast in American English
a current of air or steam carrying sand at a high velocity, used in etching glass and in cleaning or grinding hard surfaces, as of metals, stone, etc.
to clean, smooth, etc., with a sandblast
to engrave, clean, etc. with a sandblast
noun: a blast of air or steam laden with sand, used to clean, grind, cut, or decorate hard surfaces, as of glass, stone, or metal

sandblast in British English
to clean, grind, or decorate (a surface) with a sandblast
noun: a jet of sand or grit blown from a nozzle under air, water, or steam pressure