"semiautomatic" in the noun sense
1. semiautomatic pistol, semiautomatic
a pistol that is a semiautomatic firearm capable of loading and firing continuously
"semiautomatic" in the adjective sense
1. semiautomatic
partially automatic
2. autoloading, self-loading, semiautomatic
of firearms) capable of automatic loading and firing continuously
"an autoloading rifle"
Source: WordNet® (An amazing lexical database of English)
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