semiautomatic

[ sem-ee-aw-tuh-mat-ik, sem-ahy- ]
/ ˌsɛm iˌɔ təˈmæt ɪk, ˌsɛm aɪ- /
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adjective

partly automatic.
(of a firearm) automatically ejecting the cartridge case of a fired shot and loading the next cartridge from the magazine but requiring a squeeze of the trigger to fire each individual shot.

noun

a self-loading rifle or other firearm.

Origin of semiautomatic

First recorded in 1890–95; semi- + automatic
Related formssem·i·au·to·mat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for semi-automatic

British Dictionary definitions for semi-automatic

semiautomatic

/ (ˌsɛmɪˌɔːtəˈmætɪk) /

adjective

partly automatic
(of a firearm) self-loading but firing only one shot at each pull of the triggerCompare automatic (def. 5)

noun

a semiautomatic firearm
Derived Formssemiautomatically, adverb
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

Word Origin and History for semi-automatic

semi-automatic


adj.

1853, from semi- + automatic (adj.). In reference to firearms, 1889.

Online Etymology Dictionary, © 2010 Douglas Harper