Definition, Meaning & Synonyms

reference number

noun
/ˈrɛf.ə.rəns ˈnʌm.bər/
Definition
A unique identifier assigned to a document or record.
Examples
  • When submitting your application, please include your reference number for faster processing.
  • The package arrived, and the reference number matched the order details.
  • Each invoice is assigned a reference number to maintain order and clarity.
Meaning
Reference numbers are used primarily for tracking and organizing documents, transactions, or products.
Synonyms
  • identifier
  • tracking number
  • record number