Faraday dark space
Faraday dark space
[′far·ə‚dā ′därk ‚spās] (electronics)
The relatively nonluminous region that separates the negative glow from the positive column in a cold-cathode glow-discharge tube.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.