| Worldwide | 
                
                M   | 
                
                Mature (Age 17+)  | 
                Computing //  Games & Entertainment | 
                
                        
                | Germany | 
                
                M   | 
                
                Munich  | 
                Transport & Travel //  License Plates | 
                
                        
                | Worldwide | 
                
                m   | 
                
                metre  | 
                Academic & Science //  Units | 
                
                        
                | Worldwide | 
                
                m   | 
                
                Milli  | 
                Academic & Science //  Units | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Mature  | 
                Computing //  Games & Entertainment | 
                
                        
                | United States | 
                
                M   | 
                
                Macy?s, Inc.  | 
                Business //  NYSE Symbols | 
                
                        
                | United States | 
                
                M   | 
                
                Up to 81 mph  | 
                Technology //  Automotive | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Male  | 
                Business //  Business Terms | 
                
                        
                | Worldwide | 
                
                m   | 
                
                metre  | 
                Academic & Science //  Units | 
                
                        
                | Worldwide | 
                
                m   | 
                
                Minute  | 
                Academic & Science //  Units | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Manual  | 
                Technology //  Automotive | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Manual  | 
                Technology //  Tech Terms | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Mach number  | 
                Academic & Science //  Engineering | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Mean anomaly  | 
                Academic & Science //  Astronomy & Space Science | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Motorsport  | 
                Technology //  Automotive | 
                
                        
                | Worldwide | 
                
                m   | 
                
                Mass (as in E=mc^2)  | 
                Academic & Science //  Physics | 
                
                        
                | United Kingdom | 
                
                M   | 
                
                Manchester  | 
                Regional //  Postal | 
                
                        
                | Worldwide | 
                
                M   | 
                
                1000 (Roman numeral)  | 
                Academic & Science //  Mathematics | 
                
                        
                | Worldwide | 
                
                m   | 
                
                mobile  | 
                Computing //  Websites | 
                
                        
                | Worldwide | 
                
                M   | 
                
                Medium  | 
                Society & Culture //  Fashion & Lifestyle |