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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
That information could include sharing with Jarvis credit card details, confidential identifiers and passwords to enable the AI agent to complete its digital duties across the interwebs such as travel arrangements, research and shopping. Tor Constantino, Mba, Forbes, 28 Oct. 2024 Additionally, the membership in the group is determined by name and not by security identifier (SID). Dan Goodin, Ars Technica, 29 July 2024 The people-tracking service, called Locate X, reportedly lets users follow a device using its mobile advertising identifier, a unique number assigned to phones. Emma Roth, The Verge, 23 Oct. 2024 So for me, these are the new identifiers to the new generation. Morgan Korn, ABC News, 6 Oct. 2024 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

Dictionary Entries Near identifier

Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 19 Nov. 2024.

More from Merriam-Webster on identifier

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!