identificationcode
nounUK /aɪˌdentɪfɪˈkeɪʃən kəʊd/
US /aɪˌdentɪfɪˈkeɪʃən koʊd/
A special set of letters or numbers that tells you who someone or something is.
Each student gets an identification code to log in to the school computer.
RELATED WORDS
OTHER MEANINGS
2. A unique string used by a computer system to recognize a user or device.
The app asked for the device identification code before connecting.
3. A code printed on a product or document to track it.
The package's identification code helped the courier find the right address.
4. A secret number or word that proves you are allowed to enter a place or system.
He typed his identification code at the gate to enter the building.