magnetic strip

American  

noun

1. a strip of magnetic material on which information may be stored, as by an electromagnetic process, for automatic reading, decoding, or recognition by a device that detects magnetic variations on the strip.

   a credit card with a magnetic strip to prevent counterfeiting.

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Example Sentences

The magnetic strip on the back of the old driver’s license and ID has been removed in this redesign.

From Los Angeles Times

“There is a magnetic strip in your visitor’s badge that allows it to monitor your location. If you walk into an empty space, it turns on the lights. It knows how many people are in any room at any moment and adjusts the temperature accordingly. In the afternoon, when people naturally tire, it directs extra oxygen into rooms to boost energy levels.”

From Literature

To use one of those cards at a retailer or restaurant, you have to swipe its magnetic strip through a card reader, then either enter your PIN into the reader or sign a copy of the receipt.

From Los Angeles Times

And having the information from the magnetic strip is akin to holding the card, at least when making transactions where the card doesn’t have to be present.

From Los Angeles Times

Mastercard is to stop issuing cards with a magnetic strip.

From BBC