To carve, etch, or mark a design into a material (usually metal) using electrical current and chemical action.
From electro- + engrave (from Old French engraver, from en- + graver 'to carve'). This technique developed in the 19th century as a more precise alternative to hand engraving.
Electroengraving lets you create incredibly detailed patterns on metal using electricity to control exactly where material gets removed—it's how manufacturers etch circuit boards and create decorative metalwork.
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