Meaning of “identification” in the English Dictionary

"identification" in English

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identificationnoun [ U ]

uk /aɪˌden.tɪ.fɪˈkeɪ.ʃən/ us /aɪˌden.t̬ə.fəˈkeɪ.ʃən/

B2 the act of recognizing and naming someone or something:

Most of the bodies were badly burned, making identification almost impossible.

A2 also ID an official document that shows or proves who you are:

We were asked to show some identification before the security guards would let us in.

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(Definition of “identification” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"identification" in American English

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identificationnoun [ U ]

us /ɑɪˌdent·ə·fɪˈkeɪ·ʃən/

the ability to name or recognize someone or something:

Identification of the victims of the plane crash still is not complete.

Identification is also proof of who someone or something is, usually in the form of documents:

We were asked to show identification at the airport check-in.

(Definition of “identification” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"identification" in Business English

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uk /aɪˌdentɪfɪˈkeɪʃən/ us

[ U ] an official card or document with your name and photograph or other information on it, used for proving who you are:

provide/show identification To open a new account, the bank will require you to show four pieces of identification.
Please can I see some identification?
identification card/number/papers
See also

[ C or U ] the process of recognizing someone or something, and stating or proving who or what they are:

A strict legal injunction was issued banning the publication of any material that might lead to the identification of the witnesses.
form/means/proof of identification You will be asked to show your passport as proof of identification.

(Definition of “identification” from the Cambridge Business English Dictionary © Cambridge University Press)