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  1. Oxford Dictionary

    insulator

    • IPA[ˈɪnsjʊleɪtə]

    英式

    • n.
      a substance which does not readily allow the passage of heat or sound；a substance or device which does not readily conduct electricity

    • noun: insulator, plural noun: insulators

    • 釋義

    名詞

    • 1. a substance which does not readily allow the passage of heat or sound cotton is a poor insulator
    • ▪ a substance or device which does not readily conduct electricity a series of electrodes separated by insulators
    • ▪ a block of glass, ceramic, or other insulating material enclosing a wire carrying an electric current where it crosses a support.