D defs.my
Entry 1 sense Webster, 1913

Dielectric

/dīˌ-əl-ĕk'-trĭk/ · Di·e·lec·tric · IPA /ˌdaɪ.ɪˈlɛk.tɹɪk/
01 n. Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonco…
  1. 1.
    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.(Elec.)