dielectric
dielectric[ˌdʌɪɪˈlɛktrɪk](Physics)(物理)adjective- having the property of transmitting electric force without conduction; insulating
电介质的;绝缘的
noun- a medium or substance with such a property; an insulator
电介质;绝缘体
派生dielectricallyadverb语源- mid 19th cent.: from di- + electric, literally across which electricity is transmitted (without conduction')
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