di•e•lec•tricPronunciation: (dī"i-lek'trik), [key] Elect.
a nonconducting substance; insulator.
a substance in which an electric field can be maintained with a minimum loss of power.
of or pertaining to a dielectric substance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.