iden·​ti·​fi·​er | \ī-ˈden-tə-ˌfī(-ə)r, ə-\

Definition of identifier 

: one that identifies

Examples of identifier in a Sentence

Recent Examples on the Web

Also on Tuesday, the council gave final approval to a bill that allows the city’s drivers to choose a gender-neutral identifier on their driver’s licenses, something the D.C. Department of Motor Vehicles has permitted since July 2017. Reis Thebault, Washington Post, "In D.C., no more license suspensions for drivers with unpaid tickets," 12 July 2018 But that consistent track record took a hit in April, when Apple filed for nearly a dozen new iPhone model identifiers and then... nothing happened. Chris Welch, The Verge, "Apple registers new iPads and MacBooks in Eurasia," 5 July 2018 The carrier, which was tan and dark gray, also did not bear any identifiers or labels. Sophia Eppolito,, "Chihuahua left in dog carrier dies of heatstroke," 11 July 2018 This damaging form of objectification degrades an individual to a single identifier, drowning individualism and perpetuating fetishism. Kelsey Castañon,, "I'm Latinx — & I'm Fed Up With Being Called "Exotic"," 24 May 2018 All personal identifiers are wiped from each candidate’s homework, which is then evaluated against a rigorous checklist. Jessica Nordell, The Atlantic, "How Slack Got Ahead in Diversity," 26 Apr. 2018 Later, as e-commerce became more sophisticated, these became digital identifiers, with the corresponding data residing on a server. The Economist, "More knock-on than networkThe story of the internet is all about layers," 28 June 2018 The iris biometric technology detects more than 250 identifiers in each eye. Faith E. Pinho, Indianapolis Star, "Marion County Jail embraces iris-scanning technology for inmates," 25 June 2018 One caveat: Wikimedia's study was only able to track sources that had identifiers, meaning a DOI number for scholarly papers or an ISBN number for book editions. Louise Matsakis, WIRED, "The Most-Cited Authors on Wikipedia Had No Idea," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'identifier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of identifier

1807, in the meaning defined above

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Last Updated

12 Oct 2018

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The first known use of identifier was in 1807

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