key card
noun
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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use key card in a sentence
The keycard and phone records would suggest the entire episode in the room took no more than nine minutes.
The Evidence That Could Doom DSK | Christopher Dickey, John Solomon | July 26, 2011 | THE DAILY BEAST
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