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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.

See Examples For:

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

As he slipped the key card into the reader on his hotel room door and tried the handle - to no avail - he realised what he had done.

From BBC Aug. 15, 2024

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

“Her library card, which, of course, doubles as a key card for Meeting Room B. Find a way to borrow it.”

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein

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