contactless

/ˈkɒntæktləs/ adjective

Definition

› used to describe bank cards, identity cards, etc. that can operate by being put close to the machine that uses them, and that do not have to be put into the machine: contactless banking/payment/transaction The credit card company offers contactless payment at 46,000 merchant locations. Visa launched its contactless card in June 2005. We install systems providing contactless access control by smartcard to commercial properties.

(Definition of contactless adjective from the Cambridge Business English Dictionary © Cambridge University Press)