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  1. cation

    • IPA[ˈkatʌɪən]

    英式

    • n.
      a positively charged ion, i.e. one that would be attracted to the cathode in electrolysis.
    • noun: cation, plural noun: cations

    • 更多解釋
    • IPA[ˈkadˌīən]

    美式

    • n.
      a positively charged ion, i.e. one that would be attracted to the cathode in electrolysis.

    Oxford American Dictionary