semi-automatic
adjective /ˌsemi ɔːtəˈmætɪk/
  /ˌsemi ɔːtəˈmætɪk/,  /ˌsemaɪ ɔːtəˈmætɪk/
 - (of a gun) able to load bullets itself, and therefore very quickly, but not able to fire itself
- a semi-automatic rifle
 
Oxford Collocations DictionarySemi-automatic is used with these nouns:- gun
 - pistol
 - rifle
 - …