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Definitions

identifier

[ahy-den-tuh-fahy-er, i-den-] / aɪˈdɛn təˌfaɪ ər, ɪˈdɛn- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The way it works is guests’ faces are scanned, converted into a numerical identifier and matched with ticket data.

From Los Angeles Times May 20, 2026

That dollar amount served as a unique identifier in a separate disclosure table showing OBDC’s valuation methods for different categories of Level 3 investments.

From The Wall Street Journal May 13, 2026

These details along with someone's IP address - the unique identifier used by internet devices - were previously prohibited by Google for ad targeting.

From BBC Feb. 15, 2025

Furthermore, some critics of Rapid DNA have warned that by probing into a unique identifier that reveals sensitive medical information, the technology is a violation of privacy and civil liberties.

From Salon Aug. 5, 2024

In the spot where the identifier should have been, there were instead a censor’s thick black box and the words “I.D. Temporarily Removed from System.”

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein

Disney’s privacy policy notes that the identifiers created for identification are deleted within 30 days unless they need to be kept for legal or fraud prevention purposes.

From Los Angeles Times May 20, 2026

These patterns act as unique optical identifiers that are difficult to replicate, making them useful for anti-counterfeiting and traceability applications.

From Science Daily Apr. 21, 2026

Similarly adapted from existing Lego components, these possess digital identifiers triggering different sounds or reactions when they detect and interact with each other.

From BBC Jan. 6, 2026

Yet the census-wallahs shoehorned Indians who had, says Ms. Truschke, “long used discrete identifiers such as Vaishnavites, Shaivites, Shakta worshippers, Lingayats, Satnamis, Ramanandis, bhaktas, and Brahmins” into one broad category.

From The Wall Street Journal Dec. 5, 2025

The regime then assigned identifiers on the cover of the cards.

From "Salt to the Sea" by Ruta Sepetys




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