Lexeme: social security number  
Rare (0.19)
Definition:
  1. noun. A social security number (SSN) is a unique nine-digit identification number issued to United States citizens, permanent residents, and temporary residents by the Social Security Administration (SSA). The SSN is primarily used to track an individual's earnings over their lifetime for Social Security purposes, but it is also used for various other identification and verification purposes, such as for employment, credit, and government benefits. GPT3.5
Word Forms:
  • noun. social security number (singular), social security numbers (plural)
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