English

Definition of GSM noun from the Oxford Advanced Learner's Dictionary

 

GSM

 noun
noun
BrE BrE//ˌdʒiː es ˈem//
 
; NAmE NAmE//ˌdʒiː es ˈem//
 
 
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the abbreviation for ‘Global System/Standard for Mobile Communication(s)’ (an international system for digital communication by mobile/cell phone)
See the Oxford Advanced American Dictionary entry: GSM