Social Security number

noun

Definition of Social Security number

: a number that is given to each citizen of the U.S. by the government and that is used for the Social Security program and for official forms and records

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“Social Security number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Social%20Security%20number. Accessed 11 May. 2021.

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