Lexeme: card security number  
Very Rare (0.01)
Definition:
  1. noun. A card security number, also known as a card verification code (CVC) or card verification value (CVV), is a three- or four-digit number that is typically printed on the back of a credit or debit card. Its purpose is to provide an additional layer of security to help verify that the person making a purchase or transaction has physical possession of the card. The card security number is usually required when making online or over-the-phone purchases to help reduce the risk of unauthorized card use. GPT3.5
Word Forms:
  • noun. card security number (singular), card security numbers (plural)
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