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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

Through the children not in school registers, there will be a single unique identifier for every child and a requirement for every council to have multi-agency child protection team.

From BBC ● Jun. 1, 2025

The U.S. government is no longer issuing identification documents with an “X” identifier, which could impact some intersex individuals, Lorshbough said.

From Salon ● Feb. 12, 2025

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

“Unique ballot envelope identifiers, such as bar codes, enable confirmation that only citizens receive and cast ballots,” he said.

From Los Angeles Times ● Sep. 14, 2026

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

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

When we entrust digital platforms with our biometric data, we hand over unique, irreplaceable biological identifiers.

From The Wall Street Journal ● Feb. 3, 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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