fringing groove

fringing groove

[′frin·jiŋ ‚grüv]
(ordnance)
A groove cut into a rotating band to collect metal from the band while it travels through the bore, to prevent its forming a fringe in rear of the rotating band; causes excess dispersion and short range.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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