retrieval
noun /rɪˈtriːvl/
  /rɪˈtriːvl/
[uncountable]- (formal) the process of getting something back, especially from a place where it should not be synonym recovery
- The ship was buried, beyond retrieval, at the bottom of the sea.
 - beyond retrieval (figurative) By then the situation was beyond retrieval (= impossible to put right).
 
 - (computing) the process of getting back information that is stored on a computer
- methods of information retrieval