cathode
noun/ˈkæθəʊd/
/ˈkæθəʊd/
(specialist)- the electrode in an electrical device where reduction occurs; the negative electrode in an electrolytic cell and the positive electrode in a battery compare anodeOxford Collocations DictionaryCathode is used before these nouns:
- ray
Word Originmid 19th cent.: from Greek kathodos ‘way down’, from kata- ‘down’+ hodos ‘way’.Definitions on the go
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cathode