polystyrene dielectric

polystyrene dielectric

[¦päl·i′stī‚rēn ¦dī·ə′lek·trik]
(electricity)
Polystyrene used in applications where its very high resistivity, good dielectric strength, and other electrical properties are important, such as for electrical insulation or in dielectrics.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.