constricting nozzle

constricting nozzle

[kən′strik·tiŋ ‚näz·əl]
(metallurgy)
A copper nozzle which has a constricting orifice and envelopes the electrode in plasma arc processes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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