SIM card

noun
\ˈsim- \

Definition of SIM card 

: a card that is inserted into a device (such as a cell phone) and that is used to identify a subscriber on a communications network and to store data (such as phone numbers or contact information)

First Known Use of SIM card

1991, in the meaning defined above

History and Etymology for SIM card

subscriber identity module

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The first known use of SIM card was in 1991

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