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Definition of retrieval noun from the Oxford Advanced American Dictionary

     

    retrieval

     noun
    noun
    NAmE//rɪˈtrivl//
     
    [uncountable]
     
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  1. 1(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. (figurative) By then the situation was beyond retrieval (= impossible to put right).
  2. 2(computing) the process of getting back information that is stored on a computer methods of information retrieval
See the Oxford Advanced Learner's Dictionary entry: retrieval