GM, Gm, gm, or similar may refer to:

Places The Gambia, by ISO 3166 code Germany, by FIPS 10-4 country code Greater Manchester, North West England

Sports and gaming Gunn & Moore, British sports equipment company RGM-79 GM, a mobile suit series in the video game Mobile Suit Gundam Grandmaster (chess), the highest chess title awarded by FIDE Gamemaster or game master, a person officiating in a multiplayer role-playing game GM – The Independent Fantasy Roleplaying Magazine

Arts, computing, and electronics G minor, chords and scale in music General MIDI (GM or GM 1), a standardized specification for Musical Instrument Digital Interface synthesizers, developed by the American MIDI Manufacturers Association (MMA) and the Japan MIDI Standards Committee (JMSC) and first published in 1991 GraphicsMagick, a fork of ImageMagick Golden master, a stage in the software release life cycle, referring to a version to be distributed to customers, i.e. ready for release to manufacturing (RTM) gm, the notation for mutual conductance or transconductance (short for transfer conductance), an electronic component parameter

Transportation Google Maps, a web mapping service that can compute routes between places General Motors, American automobile manufacturing company, founded September 16, 1908 2009–2011: Motors Liquidation Company Zhejiang Geely Ming Industrial Co., Ltd. (, common known as GM Motor), a motorcycle manufacturer founded in 1995 GM chassis or Gusenichnaya Machina, a Russian tracked vehicle chassis Metacentric height, the distance between the center of gravity (G) and the metacenter (M) of a ship

Biology, agriculture, and food

Genital mutilation Genetic modification (adjective: genetically modified), manipulation of an organism's genome Silty gravel, in the Unified Soil Classification System General Mills, American food manufacturing company GM Sugar Uganda Limited

Particle physics and metrology Geiger–Müller tube or G-M tube, a type of radiation detector GM, a unit of two-photon absorption cross-section, named after Maria Goeppert Mayer Gigametre or gigameter (Gm), one billion metres Gram or gramme (historically sometimes abbreviated "gm", but now usually "g"), a metric unit of mass

Other uses in academia, science, and mathematics Grand Marshal (RPI), the highest elected student leader of Rensselaer Polytechnic Institute Grant-maintained school, a kind of state school in England and Wales, 1988–1998 Göttinger Miszellen, a scientific journal published by the Seminar für Ägyptologie und Koptologie (seminar for Egyptology and Coptology) of the University of Göttingen, Germany Standard gravitational parameter The multiplicative group scheme, denoted Gm

Other uses Gm (digraph), pair of letters used in English for certain Greek words General manager in business George Medal, a UK, primarily civil, decoration for acts of great bravery Gunner's mate, a US Navy rating

See also

GM1, a ganglioside in brain biochemistry GM-1 (), a system for injecting nitrous oxide into aircraft engines that was used by the Luftwaffe in World War II Grandmaster (disambiguation) Good morning (disambiguation)

MG (disambiguation) G (disambiguation) M (disambiguation)