chip and PIN
noun/ˌtʃɪp ən ˈpɪn/
/ˌtʃɪp ən ˈpɪn/
(also chip and pin)
[uncountable]- a system of paying for something with a credit card or debit card in which the card has information stored on it in the form of a microchip and you prove your identity by typing a number (your PIN) rather than by signing your name
- Chip and PIN is designed to combat credit card fraud.
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chip and PIN