m-commerce
noun
                                                                                                                            
                                                            m-com·merce
                    
                                                                                                              
                                                                                                                              
            ˈem-ˌkä-(ˌ)mərs
                                                      
                                                          
                                
              
          
                                                      : business transactions conducted by using a mobile electronic device (such as a cell phone)                                      
                
                    
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  Merriam-Webster unabridged




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