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rimfire

[ rim-fahyuhr ]
/ ˈrɪmˌfaɪər /
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adjective

(of a cartridge) having the primer in a rim encircling the base.Compare center-fire (def. 1).
(of a firearm) designed for the use of such cartridges.

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Origin of rimfire

An Americanism dating back to 1865–70; rim + fire
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for rimfire

rim-fire

adjective

(of a cartridge) having the primer in the rim of the base
(of a firearm) adapted for such cartridges
Compare centre-fire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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