Identifier - Meaning, Definition & English Examples
An identifier is a unique name or label used to distinguish a person, object, or concept. In programming, it refers to a variable, function, or other user-defined element.
Definition:
A symbol or name that uniquely distinguishes an object or entity in a system.
Synonyms:
label, tag, marker, designation
Part of Speech:
noun
Antonyms:
anonym, unmarked
Common Collocations:
unique identifier, personal identifier, digital identifier
Derivatives:
identify, identification, identifiable
Usage Tips:
Use "identifier" to specify unique labels in databases or systems for clarity and organization.
Common Phrases:
ID number, user identifier, security identifier
Etymology:
Derived from Latin "identificare," meaning "to make identical."
Examples:
- 1. The barcode serves as the product's identifier.
- 2. Each student has a unique identifier in the school database.
- 3. The system rejected the invalid identifier format.
- 4. Her username is her primary online identifier.