Lexeme: card verification number  
Very Rare (0.01)
Definition:
  1. noun. A card verification number (CVN), also known as a card verification value (CVV), is a three- or four-digit code located on the back or front of a credit or debit card. It is used as an additional security measure to verify that the person making the transaction possesses the card physically or has access to the card details. The CVN is typically required when making online or phone purchases to help prevent fraudulent activities. GPT3.5
Word Forms:
  • noun. card verification number (singular), card verification numbers (plural)
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