dielectric Hear it!

dielectric definition

di·elec·tric (dī′i lek′trik)

noun

a material, as rubber, glass, etc., or a medium, as a vacuum, gas, etc., that does not conduct electricity but can sustain an electric field: dielectrics are used in capacitors, between adjacent wires in a cable, etc.

Etymology: di(a)- + electric: so called because it permits the passage of the lines of force of an electrostatic field but does not conduct the current

adjective

having the properties or function of a dielectric

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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