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

Anything is better than just giving someone a key card.

From BBC

Grab the key card when you have a chance.

From Literature

Grab a key card when you have the chance.

From Literature

It was the black metal key card of the commander in chief, a card that hung around the commander’s neck until it was time to hand it off to the next commander.

From Literature

“Grab the key card when you have a chance,” I said.

From Literature