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To incise lines on a plate of metal, glass, or other material by covering it with an acid-resistant coating, scratching through the coating, and then permitting an acid bath to erode exposed parts of the plate.
To corrode the surface of a metal in order to reveal its composition and structure.
1. To cut away the surface of glass or metal with a strong acid or by abrasive action, usually in a decorative pattern.
2. To remove the surface of cast stone with acid to expose the aggregate.
3. To alter the surface texture of porcelain enamel by chemical attack.