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English definition of “cathode”

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cathode

noun [C] uk   /ˈkæθ.əʊd/ us    /-oʊd/ specialized
one of the electrodes (= object that electricity moves through) in a piece of electrical equipment. The cathode is the positive electrode in a battery and the negative electrode in an electrolytic cell.
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(Definition of cathode from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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