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    etch
    /ɛtʃ/

    verb

    • 1. engrave (metal, glass, or stone) by coating it with a protective layer, drawing on it with a needle, and then covering it with acid to attack the parts the needle has exposed, especially in order to produce prints from it: "aquatint is a process of achieving tone by etching a metal plate" Similar engravecarveinscribecut (in)
    • 2. (of an acid or other solvent) corrode or eat away the surface of (something): "caustic soda etches glass" Similar corrodebite intoeat into/awayburn into

    noun

    • 1. the action or process of etching something: "semiconductor production processes such as plasma etch"

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