identifier

noun

iden·​ti·​fi·​er ī-ˈden-tə-ˌfī(-ə)r How to pronounce identifier (audio)
ə-
: one that identifies

Examples of identifier in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The campaign combines everything from polymorphic identifiers, advanced man‑in‑the‑middle proxy mechanisms and two-factor authentication bypass techniques into one razor-sharp threat. Davey Winder, Forbes.com, 21 May 2025 There are certainly cases where giving out confidential information about a small number of identifiers will trace back to those students. Holly Yan, CNN Money, 10 May 2025 Each model was asked to provide a clinical recommendation for the same patient with and without sociodemographic identifiers, and its suggestion was compared to a baseline recommendation derived from human physicians. Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025 Microservice versioning uses unique identifiers to distinguish between different service versions so multiple versions can operate simultaneously. Roshan Mahant, Forbes, 24 Mar. 2025 See All Example Sentences for identifier

Word History

First Known Use

1807, in the meaning defined above

Time Traveler
The first known use of identifier was in 1807

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Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 29 May. 2025.

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