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key card

American  

noun

key cards plural
  1. 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.


Other Word Forms

Noun Inflected Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A woman says she was left shaken when a stranger came into her Travelodge room having been given a key card by staff.

From BBC • Apr. 20, 2026

With a digital key card for Chuck’s Arcade starting at $10, the buy-in to try out the space isn’t large, but this felt like a tentative step into adulthood.

From Los Angeles Times • Aug. 28, 2025

In fact, the company says it is now properly authorized to use the soap as well as a newly created tool that resembles a key card.

From New York Times • Apr. 11, 2024

And why couldn't I even remember how to use my key card?

From Salon • Sep. 3, 2023

“I can turn doorknobs, but I can’t insert and twist a key. I can’t use a key card, either. All I’m saying is, it better be unlocked.”

From "Dog Squad" by Chris Grabenstein

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