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1. Oxford Dictionary

   rheostat

   • IPA[ˈriːəstat]

   英式

   • n.
     an electrical instrument used to control a current by varying the resistance.

   • noun: rheostat, plural noun: rheostats

2. • 更多解釋

   rheostat

   • IPA[ˈrēəˌstat]

   美式

   • n.
     an electrical instrument used to control a current by varying the resistance.

   Oxford American Dictionary