Hallwachs effect
Also found in: Medical.
Hallwachs effect
[′häl‚väks i‚fekt] (electronics)
The discharge of a negatively charged metal plate caused by photoemission when the plate is exposed to ultraviolet light.
(physics)
The ability of ultraviolet radiation to discharge a negatively charged body in a vacuum.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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