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1. Oxford American Dictionary

   insulator

   • IPA[ˈinsəˌlādər]

   美式

   • 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

2. • 釋義

   n.

   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 material, typically glass or ceramic, enclosing a wire carrying an electric current where it crosses a support.
3. • 更多解釋

   insulator

   • IPA[ˈɪnsjʊleɪtə]

   英式

   • n.
     a substance which does not readily allow the passage of heat or sound: cotton is a poor insulator

   Oxford Dictionary