noun
IC card; smart card; chip card
A plastic card with an embedded integrated circuit, used for electronic payments, identification, or access control. Common in public transportation and cashless payment systems.
駅の改札でICカードをタッチする。
I tap my IC card at the station ticket gate.
この店ではICカードで支払えます。
You can pay with an IC card at this store.
From English 'IC card', where 'IC' stands for 'integrated circuit'. The term was adopted into Japanese as a loanword.