In computer science, identifiers (IDs) are lexical tokens that name entities. Identifiers are used extensively in virtually all information processing systems. Identifying entities makes it possible to …

The meaning of IDENTIFIER is one that identifies.

An identifier consists of a letter followed by zero or more letters, digits, underscores, and single quotes.

Definition of identifier noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

identifier (aɪˈdɛntɪˌfaɪə) n a person or thing that establishes the identity of someone or something

Factsheet What does the noun identifier mean? There are five meanings listed in OED's entry for the noun identifier. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Jan 20, 2026 · Noun identifier (plural identifiers) Someone who identifies; a person who establishes the identity of someone or something.

Something (data) that identifies an assessment object or other entity of interest (like a defect check). In database terms, it is a primary or candidate key that can be used to uniquely identify the assessment …

to serve as a means of identification for:[~ + object] Her birthmark identifies her. to associate or connect closely:[~ + object + with + object] The voters identified the vice-president with the old regime.

Jul 11, 2025 · An identifier is a sequence of characters in the code that identifies a variable, function, or property. In most languages, identifiers are case-sensitive and not quoted.