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card-key

[ kahrd-kee ]
/ ˈkɑrdˌki /
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noun, plural card-keys.
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.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use card-key in a sentence

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