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noun

identifier

a symbol that establishes the identity of the one bearing it

In a sentence

Six example sentences with identifier, each labelled with its topic.

  • Every record in the database carries a unique identifier, so two customers with the same name never get merged.

    Technology

  • The tour operator sews a small colored identifier onto each bag, so drivers can sort luggage without opening anything.

    Travel

  • Every print leaves the studio with a stamped identifier in the corner, proving which of her editions it belongs to.

    Art

  • Every bond carries a twelve-character identifier, so a trade settles against the right issue even when two names look alike.

    Finance

  • The wristband carries an identifier the nurse scans before every dose, matching the patient to the chart on the screen.

    Medicine

  • Each recording is tagged with an identifier code, which is how royalties from a radio play reach the right performer.

    Music

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Found in these word lists

Each source is a published word list that contains identifier. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.