M2

M2, M-2, M.2 or M02 may refer to:

Places

• British NVC community M2, a mire biological community in the United Kingdom
• Messier 2 (M2), a globular cluster in the constellation Aquarius

People

• m² (artist), an ambient project of Mathis Mootz (The Panacea)

Brands and enterprises

• M2 (game developer)
• M2 (Mazda), a short-lived marketing approach by Mazda to create and sell exclusive Mazda-based vehicles for sale in Japan
• M2, a nightclub in Shanghai, China, ranked as no. 38 in the world by DJ Magazine
• Leica M2, a 35 mm rangefinder camera introduced in 1957
• M2 Group

Computing

• M2, the CPU used in the Electronika 60 computer
• M.2, a specification for internally mounted expansion cards
• Fast Universal Digital Computer M-2, an early Russian digital computer (1957)
• Macaulay2, a free computer algebra system
• Memory Stick Micro (M2), a removable flash memory card format
• Modula-2 (M2), a computer programming language
• Opera Mail, an e-mail and news client in the Opera web browser
• Panasonic M2, a video game console design
• Socket M2, a CPU socket

Economics

• M2 (economics), a measure of the money supply
• Modigliani Risk-Adjusted Performance, a measure of risk-adjusted investment performance

Electronics

• M2, a part number for 1N400x general-purpose diodes

Firearms and military equipment

• M2 Ball, ammunition
• M2 Bradley, an armored fighting vehicle
• M2 Browning, a heavy machine gun in use since the 1920s
• M2 carbine, a select-fire carbine
• M2 flamethrower
• M2 Half track
• M2 howitzer, the WW2 designation for the M101 howitzer
• M2 Hyde, the highest-rate United States submachine gun
• M2 Light Tank
• M2 Medium Tank
• M2 mine, a World War II land mine
• M2 Mortar, a 60 mm infantry mortar
• M2 tripod, a weapon mount
• Anti-Aircraft Target Rocket M2, a World War II training rocket
• M2 Aiming Circle, an optical survey device to measure deflection angles and elevation off a predefined azimuth
• M2 compass (Brunton compass), used for mortars and field artillery; uses 6400 mils as opposed to 360 degrees
• M2/M4 Selectable Light-weight Attack Munition (SLAM), a land mine
• HMS M2, a submarine
• Mauser M2 semi-automatic handgun

Public transport

Science and technology

• M2, a form of high speed steel in the tungsten-molybdenum series
• Muscarinic acetylcholine receptor M2, a muscarinic receptor for acetylcholine found mainly in the heart
• M2 or M₂, the principal lunar semi-diurnal constituent of tides on Earth
• ATC code M02 Topical products for joint and muscular pain, a subgroup of the Anatomical Therapeutic Chemical Classification System
• M2 protein, an ion channel in the cell membrane of the influenza A virus
• m² or square metre, a unit of area

Art, entertainment, and media

Other uses

• M2, the second of five mechanics modules taken in the GCE A Level Maths and Further Maths syllabus
• M2, an acronym used in aviculture for the Moluccan cockatoo
• M2, one of the ISO metric screw thread sizes
• M-2 visa, a type of United States visa for the dependents of an individual with an M-1 visa
• Miles M.2 Hawk, a 1930s British two-seat light monoplane
• BMW M2, a variant of the BMW 2 Series
• Major Arena Soccer League 2, a semi-professional indoor soccer league

See also

• M² (disambiguation)
• MII (disambiguation)
• Model 2 (disambiguation)