American English

Definition of USCIS abbreviation from the Oxford Advanced American Dictionary

 

USCIS

 abbreviation
abbreviation
NAmE//ˌyu ɛs ˌsi aɪ ˈɛs//
 
 
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United States Citizenship and Immigration Services(the U.S. government department that deals with people from other countries who want to visit or live in the U.S. or to become a U.S. citizen, part of the Department of Homeland Security)
See the Oxford Advanced Learner's Dictionary entry: USCIS