Definition of certification noun from the Oxford Advanced American Dictionary

     

    certification

     noun
    noun
    NAmE//ˌsərt̮əfəˈkeɪʃn//
     
     
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  1. 1[uncountable] (technology) the act of certifying something the medical certification of the cause of death
  2. 2[countable] a document that says a person is a professional and is allowed to do something such as teach or practice law She received her teaching certification last month.
See the Oxford Advanced Learner's Dictionary entry: certification