electrode
electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum)
en-US/ˌɪˈlɛktɹoʊd/
en-GB/ɪˈlɛktɹəʊd/
electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum)