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mag·stripe | \ ˈmag-ˌstrīp 
\
\ plural magstripes
Definition of magstripe
: the magnetic strip on a swipe card that contains personal information
—often used before another nouna magstripe card… American credit cards use the 40-year-old magstripe technology to process transactions …— Bill Saporito
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Time Traveler for magstripe
The first known use of magstripe was in 1973
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