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What is "smart card"

Longman Dictionary of Contemporary English
smart card
noun
EXAMPLES FROM CORPUS
▪ A smart card computes a password or encryption key and furnishes it directly to the computer for the logon procedure.
▪ So she places her smart card containing electronic cash provided as part of a bank service into the smart-card reader.
▪ The third, and most innovative, idea is symbolized by the smart card.
▪ This would implant an electronic smart card in cars' engine-management systems, to monitor the quantity of polluting emissions.
▪ You hand your smart card to the cashier at a restaurant and she runs it through a scanner.
Wiktionary
smart card

alt. A plastic card that has information stored on a computer chip. n. A plastic card that has information stored on a computer chip.

WordNet
smart card

n. a plastic card containing a microprocessor that enables the holder to perform operations requiring data that is stored in the microprocessor; typically used to perform financial transactions

Wikipedia
Smart card

A smart card, chip card, or integrated circuit card (ICC) is any pocket-sized card that has embedded integrated circuits. Smart cards are made of plastic, generally polyvinyl chloride, but sometimes polyethylene terephthalate based polyesters, acrylonitrile butadiene styrene or polycarbonate. Since April 2009, a Japanese company has manufactured reusable financial smart cards made from paper.

Smart cards can be either contact or contactless smart card. Smart cards can provide personal identification, authentication, data storage, and application processing. Smart cards may provide strong security authentication for single sign-on (SSO) within large organizations.

Usage examples of "smart card".

Pinned to the foot end of each bag was a white smart card, little robotic forget-me-nots to carry the dead into the inactive files of the system database.