Meaning of ELECTRODE in English

ELECTRODE

1. In a spark plug , one electrode (the center electrode) is the center rod passing through the insulator . The side electrode is a rod welded to the shell of the spark plug . The distance between them is the spark gap .

2. In welding it is the metal rod that is used in arc welding .

English dictionary of automotive terms.      Английский словарь автомобильных терминов.