Meaning of CATHODE in English

CATHODE

/ ˈkæθəʊd; NAmE -oʊd/ noun

( technical ) the electrode in an electrical device where reduction occurs; the negative electrode in an electrolytic cell and the positive electrode in a battery

—compare anode

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WORD ORIGIN

mid 19th cent.: from Greek kathodos way down, from kata- down+ hodos way.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.