semi-automatic

semiautomatic

[sem-ee-aw-tuh-mat-ik, sem-ahy-]
adjective
1.
partly automatic.
2.
(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
3.
a self-loading rifle or other firearm.

Origin:
1890–95; semi- + automatic

semiautomatically, adverb
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World English Dictionary
semiautomatic (ˌsɛmɪˌɔːtəˈmætɪk)
 
adj
1.  partly automatic
2.  Compare automatic (of a firearm) self-loading but firing only one shot at each pull of the trigger
 
n
3.  a semiautomatic firearm
 
semiauto'matically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

semi-automatic
in ref. to firearms, 1911, from semi- + automatic (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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