I. ̷ ̷| ̷ ̷ ̷ ̷ at electro- + noun
Etymology: electr- + deposit (n.)
: a deposit (as metal or rubber) formed on or at an electrode by electrolysis (as in electroplating or electroforming)
II. transitive verb
: to deposit (as nickel, copper, or rubber) by electrical action, especially electrolysis