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a plastic card, similar to a credit card, containing data on an embedded magnetized strip that can electronically unlock a door, activate a machine, etc.

a magnetically encoded plastic card that can be used as a key in a door or to operate some other electronic device, such as an ATM; also called card key , also written keycard


Read Also:

  • Key-case

    noun 1. a small case in which keys are carried.

  • Key-club

    noun 1. a private nightclub admitting only members and their guests, the members often being given door keys to the club. noun phrase

  • Key-deer

    noun 1. a subspecies of miniature white-tailed deer, native to the Florida Keys, where the small remaining population is kept in preserves.

  • Key drive

    noun 1. (computing) a very small, portable storage device that plugs into a computer and facilitates moving data between machines Also pen drive

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