To extract or refine a metal from a solution or ore using electrical current in an electrochemical process.
From electro- + win (archaic: to extract or obtain). A technical term from mining and metallurgy, particularly in gold and copper extraction, developed in the late 1800s.
Electrowinning is how we extract gold from ore today—electricity literally coaxes gold ions out of solution onto a cathode, creating pure gold without needing to smelt and refine for weeks.
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