The process or art of creating designs and patterns on materials using electrical currents to selectively remove or deposit material.
From electroengrave + -ing (gerund/present participle). As a noun, it refers to both the process and sometimes the finished product created by this electrochemical technique.
Before modern laser engraving, electroengraving was how manufacturers created detailed patterns on everything from jewelry to decorative plates—electricity gave them precision that hand tools couldn't match.
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