electrode An electrical conductor, usually a wire or a rod, used to make contact with a non-metallic part of a circuit. An electrode is the means by which an electric current enters or leaves a medium. Electrodes in electrochemical cells are referred to as anodes or cathodes – terms first used by Michael Faraday. Related category • ELECTRICITY AND MAGNETISM Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |