- M4
M4 or M-4 may refer to:
In computers:
*m4 (computer language) , a macro processing language
*GNU m4 , the GNU version of the m4 languageIn firearms and military equipment:
*M4 Carbine , an assault rifle
*M4 Sherman , the primary tank used by the Americans in World War II
*Benelli M4 Super 90 , a combat shotgun
*M2/M4Selectable Light-weight Attack Munition (SLAM), a land mine
*M4 (cipher) , a variant of the Enigma machine
*M4 flame fuel thickening compound , a substance used in fire bombs and incendiary weapons
*Myasishchev M-4 , a Soviet strategic bomber
*M4 SLBM , a French submarine-launched ballistic missile
*Spectre M4 , a submachine gunIn science:
*Messier 4 (M4), a globular cluster in the constellation ScorpiusIn transportation:
*Metroad 4 (M4), a metroad in Sydney, Australia
*M4 Western Motorway , a segment of Metroad 4 in central Sydney, Australia
*M4 motorway , a motorway in the United Kingdom that links London with South Wales
*M4 motorway, a motorway-grade section of the N4 road in the Republic of Ireland
*M-4 (Michigan highway) , a former designation for the M-134 and M-10 Michigan state highways
*M4 motorway (Russia) , another name for the Don Highway in Russia
*M4 motorway (Pakistan) , a proposed motorway for Pakistan
*M4Vacamatic , asemi-automatic transmission made byChrysler In rail:
* M4, the fourth line of Budapest Metro, Hungary
*M4 Line , part of the Bucharest Metro, Romania
* M4, a subway car; 220 were delivered toSEPTA byAdtranz in 1999-2000In aircraft :
*Miles M.4 Merlin , a 1930s British five-seat cabin monoplaneIn hardware:
*M4screw , a metric screwIn economics:
*M4 money supply , the total amount of money in bank accounts and in circulation in the United Kingdom
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