key card

American  

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.

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Example Sentences

Once logged in, I had the option to choose between five different filming feeds, each showing several hotel rooms - visible as soon as a guest triggered the electricity supply by inserting their key card.

From BBC

“I swiped the key card from Coal’s friend, the intern,” Door said.

From Literature

“Assuming the key card works, we still need to get security to open the gates into the lab area.”

From Literature

If they did, the key card might not work.

From Literature

Even if the key card did work, it might not have access to every floor, or that inner lab where Dr. Achebe and Dr. Carroll had taken samples from him.

From Literature