identifier
//aɪˈdɛntɪfaɪər//
Noun
identifierSingular
identifiersPlural
1
A unique name, number, or code used to distinguish one person, object, or entity from another.
Each student is assigned a unique identifier when they enroll.
2
In computing, a sequence of characters used to name a variable, function, or other element in a program.
The identifier must start with a letter or underscore.
3
A person or thing that identifies something or someone.
The witness served as the identifier of the suspect in the lineup.