key card

noun

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.

Example Sentences

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.

Read more on Los Angeles Times

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.

Read more on BBC

They quietly climbed the stairs until they reached a metal security door with a key card sensor.

Read more on Literature

Dr. Zhang’s key card had been canceled and the elevators had been turned off.

Read more on New York Times

Was it really appropriate for one of the plane maker’s key suppliers to be using Dawn dish soap and a hotel key card as part of its manufacturing process?

Read more on New York Times