dielectricPronunciation: /ˌdʌɪɪˈlɛktrɪk/ PhysicsDefinition of dielectric adjective having the property of transmitting electric force without conduction; insulating. noun a medium or substance with a dielectric property; an insulator. Derivatives dielectrically adverb Origin: mid 19th century: from di-3 + electric, literally 'across which electricity is transmitted (without conduction)'dielectric in other Oxford dictionaries Definition of dielectric in the US English dictionary
