card-key

[kahrd-kee]

noun

plural

card-keys 

1. a small plastic card with magnetic coding that is read electronically when inserted into a scanner and used in place of a key to open locks, hotel doors, etc.

Example Sentences

Entry to the village is through a gate using a card-key system.

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In his wallet was the card-key that the Slider had assured him would get him into Ben Dell's quarters.

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Which was why Raoul was on High Jova, wearing nano-skin, carrying Dell's card-key in his wallet.

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He took the card-key from the wallet.

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Surprisingly, the Cube’s rooms have modern electronic card-key locks, air-conditioning and even a modest flat-screen TV that shows nearly 50 channels.

Read more on New York Times