adj. & n. Electr. --adj. insulating. --n. an insulating medium or substance. Phrases and idioms: dielectric constant permittivity. Derivatives: dielectrically adv. Etymology: DI-(3) + ELECTRIC = through which electricity is transmitted (without conduction)
Dielectric Di`e*lec"tric, n. [Pref. dia- + electric.] (Elec.) Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor. separating a body electrified by induction, from the electrifying body.