LEARNit Dictionary
Social Security number
noun
/ˌsəʊʃl sɪˈkjʊərəti nʌmbə(r)/
UK
/ˌsəʊʃl sɪˈkjʊrəti nʌmbər/
US
1
(in the US) an official identity number that everyone is given when they are born
شماره تأمین اجتماعی, شماره تامین اجتماعی