cathode fall

cathode fall

[′kath‚ōd ‚fȯl]
(electronics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A swarm of positive charge is accumulated about the cathode forming a cathode fall. This is observed as a highly illuminated layer near the semiconductor cathode.