metallurgia haru, kus metallide ja sulamite tootmiseks maakidest ja maagikontsentraatidest ning rafineerimiseks (vääristamiseks) kasutatakse elektrivoolu (vt metallurgia, ekstraktiivne metallurgia; vrd pürometallurgia, hüdrometallurgia, pulbermetallurgia), industrial recovery or processing of metals and alloys by electrical or electrolytic methods (see: metallurgy, extractive metallurgy; compare: pyrometallurgy, hydrometallurgy, powder metallurgy)