identifier

American  

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

noun

plural

identifiers

1. something, such as a name, number, code, label, etc., that serves to identify or represent a person or thing.

2. a book, computer application, or other source that one can use to identify something, such as a bird, plant, etc., by matching it with a sound, photo, or description in an inventory.

3. a person who identifies someone or something.

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Other Word Forms

• de-identifier noun
• non-identifier noun
• quasi-identifier noun
• self-identifier noun
• sub-identifier noun

Example Sentences

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

From The Wall Street Journal

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

The anonymous account had a blockchain identifier of letters and numbers.

From BBC

But one key Covid-specific identifier can be a loss of smell or taste.

From BBC

"We would like to reiterate that no payment details or order history information has been accessed and the impacted personal data remains limited to basic personal identifiers as advised previously," they said.

From BBC