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Meaning of magnetic strip

magnet'ic strip'

Pronunciation: [key]
  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:Also called a credit card with a magnetic strip to prevent counterfeiting.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.