polarized electrolytic capacitor

polarized electrolytic capacitor

[′pō·lə‚rīzd i¦lek·trə¦lid·ik kə′pas·əd·ər]
(electricity)
An electrolytic capacitor in which the dielectric film is formed adjacent to only one metal electrode; the impedance to the flow of current is then greater in one direction than in the other.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.