Translate text 
Translate files Identifier
/aɪˈdɛntɪfaɪər/
Meaning & Definition
noun
A name or identifying characteristic used to distinguish one entity from another.
In programming, a variable name often serves as an identifier for the data it holds.
A symbol or string that uniquely represents an entity in a given context.
The tax identification number is a crucial identifier for businesses when filing taxes.
Any element that can help to recognize or categorize an object, concept, or person.
Each user account is assigned a unique identifier that helps authenticate access to the system.
Etymology
The word 'identifier' is formed from the word 'identify' with the suffix '-er', indicating a person or thing that identifies.
Common Phrases and Expressions
identifier of choice:
A selected identifier that is preferred or favored.
unique identifier:
An identifier that is guaranteed to be unique within a given context.
identifying features:
Characteristics used to recognize or identify something.
Related Words
Slang Meanings
ID
Just show me your ID to verify your age.
handle
Your social media handle acts as an identifier on the platform.