Definition of certificate noun from the Oxford Advanced American Dictionary

      

    certificate

     noun
    noun
    NAmE//sərˈtɪfəkət//
     
    (abbreviation cert.)
     
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  1. 1an official document that may be used to prove that the facts it states are true a birth/marriage/death certificate
  2. 2 an official document proving that you have completed a course of study or passed an exam; a qualification obtained after a course of study or an exam an elementary teaching certificate