(US) (money supply) the amount of cash in circulation plus bank accounts, savings accounts and small deposits / (music) major second / (mathematics) The number three as the second Mersenne prime.

An orbital motorway surrounding London. / (figuratively) The notional border between London and the rest of the UK.

(computing) Eclipse' implementation of the OMG QVT standard.

(computing) Abbreviation of machine to machine (technologies that allow both wireless and wired systems to communicate with other devices of the same type.)

Alternative form of MTF (“male-to-female (transgender person)”)

Alternative form of MTF (“male-to-female (transgender)”)

plural of M2F

(Internet, slang) Initialism of message to all friend, used on messages to all users in a friends list of services with strict character limits on said messages.