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单词 cathode
释义

cath·ode

noun
/ˈkæθəʊd/
/ˈkæθəʊd/
(specialist)
  1. the electrode in an electrical device where reduction occurs; the negative electrode in an electrolytic cell and the positive electrode in a battery阴极;(电解池的)负极;(原电池的)正极 compare anode
    Oxford Collocations DictionaryCathode is used before these nouns:
    • ray
    Word Originmid 19th cent.: from Greek kathodos ‘way down’, from kata- ‘down’+ hodos ‘way’.
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更新时间:2025/8/18 1:23:41