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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:

You’ll be assigned a unique identifier to validate your registration.

From Los Angeles Times ● Oct. 29, 2026

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

It is customary for the first identifier to have the species named after him, or any name he chooses, so long as it is not already in use.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly

Since the public rolls don’t include voters’ unique identifiers, people at the lab also knew linking them to HSI’s data would produce mismatches — what the staffer called an “ungodly” number of false positives.

From Salon ● Aug. 15, 2026

It says it discovered that 47 IP addresses owned by Meta — that is, digital identifiers of internet accounts — had downloaded its movies without permission.

From Los Angeles Times ● Jun. 18, 2026

However, the investigator added, the company scrubs data to remove personal or business identifiers in case contractors aren’t abiding by its instructions.

From The Wall Street Journal ● Apr. 23, 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

She plays the tape backward and forward, stops and starts, scribbles down identifiers she missed.

From "Orphan Train" by Christina Baker Kline


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