Definition of identification noun from the Oxford Advanced Learner's Dictionary

      

    identification

     noun
    noun
    BrE BrE//aɪˌdentɪfɪˈkeɪʃn//
     
    ; NAmE NAmE//aɪˌdentɪfɪˈkeɪʃn//
     
     
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  1. 1(abbreviation ID) [uncountable, countable] the process of showing, proving or recognizing who or what somebody/something is The identification of the crash victims was a long and difficult task. Each product has a number for easy identification. an identification number Accurate identification of these birds is difficult. Only one witness could make a positive identification.
  2. 2[uncountable] the process of recognizing that something exists, or is important The early identification of children with special educational needs is very important.
  3. 3(abbreviation ID) [uncountable] official papers or a document that can prove who you are Can I see some identification, please?
  4. 4[uncountable, countable] identification (with somebody/something) a strong feeling of sympathy, understanding or support for somebody/something her emotional identification with the play’s heroine their increasing identification with the struggle for independence
  5. 5[uncountable, countable] identification (of somebody) (with somebody/something) the process of making a close connection between one person or thing and another the voters’ identification of the Democrats with high taxes
  6. Word Origin mid 17th cent.: originally from medieval Latin identificat- ‘identified’, from the verb identificare; later from identify.Extra examples Always carry some identification. Do you have any identification? Early identification of adolescents at risk for violence is needed. Eyewitness identification is not as reliable as we tend to believe. He stood on an identification parade at the police station. My only means of identification was my cheque book. One passenger couldn’t provide identification. Red and black wires are used to enable identification of specific circuits. She was unable to make a positive identification of the suspect. The examination facilitates the early identification of any health problems. The police checked their identification. The vehicle’s identification number is stamped on the engine. There is virtually no risk of mistaken identification in cases of date rape. To vote, Florida law requires a photo identification with a signature. having their picture taken for identification purposes the science of biometric identification
See the Oxford Advanced American Dictionary entry: identification