Definition of CIS abbreviation from the Oxford Advanced Learner's Dictionary

 

CIS

 abbreviation
abbreviation
BrE BrE//ˌsiː aɪ ˈes//
 
; NAmE NAmE//ˌsiː aɪ ˈes//
 
 
jump to other results
Commonwealth of Independent States (a group of independent countries that were part of the Soviet Union until 1991)
See the Oxford Advanced American Dictionary entry: CIS