M2

M2 (album), by Marcus Miller
M2 (Copenhagen), part of the Copenhagen Metro system
M2 (e-mail client), built into the Opera web browser
M2 Bradley, an American armored personnel carrier
M2 Light tank, an American pre-WWII tank
M2 machine gun, a type of weapon
M2 motorway, the name of motorways in England, Northern Ireland, Hungary and Pakistan
M2 Hills Motorway, the name of a motorway in Sydney, Australia
M2 protein, an ion channel of the influenza A virus
M2 series of railcars for the New Haven Line of the Metro North Railroad
Cyrix M2 CPU
Globular Cluster M2, a globular cluster in the constellation Aquarius
HMS M2, a Royal Navy aircraft-carrying submarine
money supply M2, in economics refers to the amount of cash in circulation, the amount in checking or demand-deposit accounts plus savings accounts, money market accounts and small Certificates of deposit
Magyar Televízió, second channel of the Hungarian National Broadcasting Company
MTV2, M2 was the original name for MTV's sister network (founded in 1996), before it was changed to MTV2 in 2000
Panasonic M2, a video game console which was never released to the public
Socket M2, renamed to Socket AM2, an AMD CPU socket due to be released in 2006
Another name for Memory Stick Micro

See also