List of acronyms: G

This list contains acronyms, initialisms, and pseudo-blends  that begin with the letter G.

For the purposes of this list:

• acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars
• initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee
• pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).

(a) = acronym, e.g.: SARS – (a) Severe acute respiratory syndrome

(i) = initialism, e.g.: CD – (i) Compact disc

(p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women

(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – Megahertz)

(Main list of acronyms)

• g – (s) Gram
• G – (s) Gauss – (i) General Audiences (movie rating)

G0–9

• G1 – (s) Assistant Chief-of-Staff, Personnel
• G2 – (s) Assistant Chief-of-Staff, Intelligence
• G3 – many, including Heckler & Koch G3; see entry – (s) Assistant Chief-of-Staff, Operations and Plans
• G4 – (i) Generation Four PowerPC microprocessor – (s) Assistant Chief-of-Staff, Logistics
• G5 – (i) Generation Five PowerPC microprocessor – (s) Assistant Chief-of-Staff, Public Affairs
• G6 – (s) Assistant Chief-of-Staff, Information Technology – (i) Group of 6 (France, Germany, United States, Japan, United Kingdom, Italy) (1975)
• G7 – (s) Assistant Chief-of-Staff, Training – (i) Group of 7 (G6 + Canada) (1976)
• G8 – (s) Assistant Chief-of-Staff, Finance – (i) Group of 8 (G7 + Russia) (1998)
• G9 – (s) Assistant Chief-of-Staff, Civil-Military Co-operation (CIMIC)
• G10 – (i) Group of 10 (G7 + Belgium, Netherlands, Sweden, Switzerland; numbering 11 in fact)
• G15 – (i) Group of 15 (subset of G77, formed 1989: Algeria, Argentina, Brazil, Chile, Egypt, India, Indonesia, Jamaica, Kenya, Nigeria, Malaysia, Mexico, Peru, Senegal, Sri Lanka, Venezuela and Zimbabwe; currently numbers 17)
• G20 – (i) Group of 20 (G8 + Argentina, Australia, Brazil, China, India, Indonesia, Mexico, Saudi Arabia, South Africa, South Korea, Turkey + current European Union presiding country) (1999)
• G24 – (i) Group of 24 (subset of G77, formed 1971: Algeria, Argentina, Brazil, Colombia, Côte d'Ivoire, Democratic Republic of the Congo, Egypt, Ethiopia, Gabon, Ghana, Guatemala, India, Iran, Lebanon, Mexico, Nigeria, Pakistan, Peru, Philippines, South Africa, Syria, Sri Lanka, Trinidad and Tobago and Venezuela)
• G77 – (i) Group of 77 (issued from the United Nations Conference on Commerce and Development, 1964; currently numbers 133)

GA

• Ga – (s) Gallium – Gigaannum
• GA – (s) Gabon (ISO 3166 digram) – The Gambia (FIPS 10-4 country code) – (i) Gamblers Anonymous – Georgia (postal symbol) – Gigaampere – Goa (Indian state code)
• GAAR – (a) General Anti-Avoidance Rule (tax evasion)
• GAB – (s) Gabon (ISO 3166 trigram)
• GABA – (i) Gamma-AminoButyric Acid
• GAD – (a) Generalized Anxiety Disorder
• GAF – (i) Garfield and Friends
• GALCIT – (a) Guggenheim Aeronautical Laboratory, California Institute of Technology
• GAO – (i) U.S. Government Accountability Office
• GAW – (i) Global Atmospheric Watch

GB

• GB – (s) Gabon (FIPS 10-4 country code) – United Kingdom of Great Britain and Northern Ireland (ISO 3166 digram) [glamour boy 7-9/10]
• GBBC – (i) Great (Global) Backyard Bird Count
• GBE – (i) Knight/Dame Grand Cross of the Order of the British Empire
• GBH
  • (i) Great Bash Heel (Japanese professional wrestling stable)
  • Gregory Bonner Hale (British design and advertising agency)
  • Grievous bodily harm
• GBP – (s) United Kingdom pound sterling (ISO 4217 currency code)
• GBR – (s) United Kingdom of Great Britain and Northern Ireland (ISO 3166 trigram)
• GBU – (i) Glide-Bomb Unit – Global Business Unit(s)

GC

• GC
  • (s) East Germany (NATO country code; obsolete 1990)
  • (i) General classification (cycling)
  • General counsel
  • George Cross (British civil decoration)
  • (s) Gigacoulomb [Grindr cruise]
• GCA – (i) Graduate in Claims Administration
• GCCS – (i/a) Global Command and Control System ("geeks")
• GCD – see entry
• GCF – (i) Greatest Common Factor
• GCI – (i) Ground-controlled interception
• GCN – (i) Gamma-ray burst Coordination Network
• GCS – (i) Global Coordinate System
• GCSE – (i) General Certificate of Secondary Education (UK)
• G-CSF – (i) Granulocyte Colony-Stimulating Factor

GD

• gd – (s) Scottish Gaelic language (ISO 639-1 code)
• Gd – (s) Gadolinium
• GD – (s) Grenada (ISO 3166 digram)
• GDC – (i) Game Developers Conference – General Dental Council
• GDL – (i) Game Definition Language
• GDP – (i) General Dental Practitioner (UK) – Gross Domestic Product
• GDR – (i) German Democratic Republic (cf. DDR)
• GDR – (i) General Distribution Release (Microsoft Term for a software service release; between Hotfix and Service Pack)
• GDW – (i) Game Designers Workshop

GE

• Ge – (s) Germanium
• GE – (i) General Electric – Genetic Engineering (cf. GM) – (s) Georgia (ISO 3166 digram)
• GEBCO – (a) General Bathymetric Chart of the Oceans
• GEC – (i) Great Engineering Challenge
• GED – (i) General Educational Development (high school equivalency credential in the U.S. and Canada)
• GEEP – (i) Geophysical Equipment Exploration Platform
• GEL – (s) Georgian lari (ISO 4217 currency code) – Gilbert and Ellice Islands (ISO 3166 trigram; obsolete 1977)
• GEMA – (a) Gas and Electricity Markets Authority – Georgia Emergency Management Agency – (p) Gesellschaft für musikalische Aufführungs- und mechanische Vervielfältigungsrechte (German performance rights organisation) – (a) Global Engine Manufacturing Alliance
• GEN – (s) Full General (four stars) in the U.S. Army
• GEO – (a) Geostationary Earth Orbit – (s) Georgia (ISO 3166 trigram)
• GEOS – (i) Graphical Environment Operating System
• GEQ – (s) Equatorial Guinea (IOC trigram, but not FIFA or ISO 3166)
• GER – (s) Germany (IOC and FIFA trigram, but not ISO 3166)
• Gestapo – (p) GEheime STAatsPOlizei (German "secret state police")
• GeV – (s) Gigaelectron-volt
• GEV – (i) Ground Effect Vehicle

GF

• GF
  • (s) French Guiana (ISO 3166 digram)
  • Gigafarad
• GFCF
  • (i) Gluten-free, casein-free diet
  • Gross fixed capital formation
• GFCI – (i) Ground Fault Circuit Interruptor (aka GFI)
• GFDL – (i) GNU Free Documentation License
• GFE
  • (i) Girlfriend experience (used in escort services)
  • Good Faith Estimate
  • Government Furnished Equipment
• GFI – (i) Ground Fault Interruptor (aka GFCI)
• GFL – (i) German Football League (Germany's Bundesliga for American football; the English-language name is used in German without translation)
• GFN – (i) Global Footprint Network
• GFW
  • (i) Global Force Wrestling – either the original incarnation or Impact Wrestling, which was briefly known under the name
  • (p) Great Firewall of China (cf. Internet censorship in China)
• GFY – (i) "good for you" or "go fuck yourself", depending on the context (Internet chat)

GG

• GG – (s) Georgia (FIPS 10-4 country code)
• GGK – Good God Karma
• GGWP – Good Game Well Play
• GGP
  • (i) General Game Playing

GH

• GH – (s) Ghana (ISO 3166 digram; FIPS 10-4 country code) – Gigahenry
• GHA – (s) Ghana (ISO 3166 trigram)
• GHB – (i) gamma-Hydroxybutyric acid
• GHC – (s) Ghanan cedi (ISO 4217 currency code)

GI

• Gi – (s) Gibi
• GI – (i) Galvanised Iron – Gastro-Intestinal – General Issue – (s) Gibraltar (ISO 3166 digram; FIPS 10-4 territory code) – (i) Government Issue - (i) Global Illumination
• GIB – (s) Gibraltar (ISO 3166 trigram)
• GIF – (a) Graphics Interchange Format
• GIG – (a) Global Information Grid
• GIGO – (a) Garbage In Garbage Out (computing)
• GIMP – (a) GNU Image Manipulation Program
• GIN – (s) Guinea (ISO 3166 trigram) – (a) Guidelines International Network
• GINK - Going Insane Not Knowing – orig. Colorado 2010 M.Kalfas
• GINO – (a) Godzilla In Name Only
• GIP – (s) Gibraltar pound (ISO 4217 currency code)
• GIS – (i) Geographic Information System – (i) Google Image Search
• GISS – (a/i) General Impression of Size and Shape – Goddard Institute for Space Studies

GJ

• GJ – (s) Gigajoule – Grenada (FIPS 10-4 country code) – Gujarat (Indian state code)
• GJD – (i) Geocentric Julian Day

GK

• GK – (s) Gigakelvin – Guernsey (FIPS 10-4 territory code)

GL

• gl – (s) Galician language (ISO 639-1 code)
• GL
  • (s) Gigalitre
  • (i) Graphics Language
  • (s) Greenland (ISO 3166 digram; FIPS 10-4 territory code)
  • (i) Grenade Launcher
• gla – (s) Scottish Gaelic language (ISO 639-2 code)
• GLAAD – (a) Gay and Lesbian Alliance Against Defamation
• GLAC – (a) General Ledger Accounting Code
• GLAST – (a) Gamma-ray Large Area Space Telescope
• GLBA – (i) Gramm-Leach-Bliley Act
• GLC – (i) Gas-liquid chromatography
• gle – (s) Irish language (ISO 639-2 code)
• glg – (s) Galician language (ISO 639-2 code)
• GLINT
  • (a) Gallium-arsenide Laser Illuminator for Night TV
  • Gated Laser Illuminator for Narrow Television
  • (p) Gated Laser Intensifier (tape)
  • Gospel Literature International
  • Graphical Linux Installation Tool
• GLONASS – (a) Globalnaya navigatsionnaya sputnikovaya sistema (Russian Глоба́льная Навигацио́нная Спу́тниковая Систе́ма, "Global Navigation Satellite System")
• GLP – (s) Guadeloupe (ISO 3166 trigram)
• GLUT – (a/i) OpenGL Utility Toolkit
• glv – (s) Manx language (ISO 639-2 code)
• GLV – (i) Gained Life Value

GM

• Gm – (s) Gigametre
• GM
  • (s) The Gambia (ISO 3166 digram)
  • (i) GameMaster (role-playing)
  • General Motors
  • Genetically Modified
  • (s) Germany (FIPS 10-4 country code)
  • (i) Guru Meditation (computing)
• GMAC
  • (i) General Motors Acceptance Corporation, the original name of the company now known as Ally Financial
  • Graduate Management Admission Council
• G-MAC
  • (i) Great Midwest Athletic Conference
• GMB
  • (s) The Gambia (ISO 3166 trigram)
  • (i) General, Municipal, Boilermakers (and Allied Trade Union)
• GmbH – (i) Gesellschaft mit beschränkter Haftung (German, "Company with limited liability")
• GMC
  • (i) U.K. General Medical Council
  • Gospel Music Channel
• GMD – (s) Gambian dalasi (ISO 4217 currency code)
• GMFSC – (i) Ground Mobile Forces Satellite Communications
• GMI
  • (i) Generic Model Interface
  • Geometry Model Instance
• GML
  • Generalized Markup Language
  • Geography Markup Language
  • Game Maker Language
  • Graph Modelling Language
  • Graphical Motion Language
  • GUI Markup Language
• GMO – (i) Genetically Modified Organism
• GMPCS – (i) Global Mobile Personal Communications by Satellite
• GMT
  • (i) Giant Magellan Telescope
  • Greenwich Mean Time

GN

• gn – (s) Guaraní language (ISO 639-1 code)
• GN
  • (s) Giganewton
  • Guinea (ISO 3166 digram)
• GNAS – (p) Grand National Archery Society
• GNB – (s) Guinea-Bissau (ISO 3166 trigram)
• GNC
  • (i) "G&C Records" NetLabel
  • General Nutrition Centers (US sports nutrition retailer branded as GNC)
• GNF – (s) Guinean franc (ISO 4217 currency code)
• GNOME – (a) GNU Network Object Model Environment
• GNP – (i) Gross National Product
• GNQ – (s) Equatorial Guinea (ISO 3166 trigram)
• GnRH – (p) Gonadotropin-Releasing Hormone
• GNU – (a) GNU's Not Unix

GO

• GO – (s) Glorioso Islands (FIPS 10-4 territory code)
• GOA
  • (s) General of the Army (United States only)
  • (i) Gun Owners of America
• GOAT – (s) Greatest of all time (LL Cool J album title)
• GOC – (i) General Officer Commanding
• GOES – (a) Geostationary Operational Environmental Satellite
• GOP – (i) Grand Old Party
• gorp – (a) granola, oats, raisins, peanuts (another name for trail mix), probably a backronym
• GOSC – (a/i) General Officer Steering Committee
• GOSH – (a) Great Ormond Street Hospital
• GOSP – (a) Gas/Oil Separation Plant
• GOTS – (a) Government off-the-shelf
• GOYADIN – (a) Get Off Your Arse, Do It Now (anti-procrastination mantra)

GP

• GP – (i) General Practitioner – General Purpose – Grand Prix – (s) Guadeloupe (ISO 3166 digram; FIPS 10-4 territory code)
• GPA – (i) Grade Point Average
• GPC – (i) Global Path Cache
• GPG – (i) GNU Privacy Guard
• GPIB – (i) General-Purpose Instrumentation/Interface Bus
• GPL – (i) GNU General Public License
• GPMP – (i) General Purpose Macro Processor
• GPO – (i) General Post Office
• GPPC – (i) Genetics and Public Policy Center
• GPR – (i) Ground-Penetrating Radar
• GPS – (i) General Problem Solver – Global Positioning System
• GPT – (i) GEC-Plessey Telecommunications – General Purpose Technology – Get Paid To website
• GPU – (i) Gosudarstvennoye Politicheskoye Upravlenie (Russian Государственное Политическое Управление, "State Political Administration") (1922–1934) – Graphics Processor Unit

GQ

• GQ
  • (s) Equatorial Guinea (ISO 3166 digram)
  • (i) Gentlemen's Quarterly (the original name of the magazine now known simply as GQ)
  • (s) Guam (FIPS 10-4 territory code)

GR

• GR – (s) Greece (FIPS 10-4 country code; ISO 3166 digram) – Hail (METAR Code)
• GRAIL – (i) Gravity Recovery and Interior Laboratory
• GRAS – (i) Generally recognized as safe (FDA list)
• GRB – (i) Gamma-ray burst
• GRC – (s) Greece (ISO 3166 trigram)
• GRD – (s) Grenada (ISO 3166 trigram)
• GRE
  • (i) Graduate Record Examination
  • (s) Greece (IOC and FIFA trigram, but not ISO 3166)
• grep – (a) [search] Globally for Regular Expression, Print [lines]
• GRid – Global Release Identifier, a music industry identifier from the RIAA and IFPI
• GRID – (a) Gay-Related Immune Deficiency (original name of AIDS)
• GriT – (a) Girl raised in Texas (Woman presenting firm southern traits/beliefs)
• GRL – (s) Greenland (ISO 3166 trigram)
• GRN
  • (s) Grenada (IOC and FIFA trigram, but not ISO 3166)
  • (i) Goods received note
• grn – (s) Guaraní language (ISO 639-2 code)
• GRP – (i) Graphite-reinforced plastic, see Carbon-fiber-reinforced polymer
• GRU – (i) Glavnoje Razvedyvatel'noje Upravlenije/Главное Разведывательное Управление (Russian, "Main Intelligence Directorate" [of the former Soviet and now Russian armed forces])

GS

• Gs – (s) Gigasecond
• GS
  • (i) General Schedule (US civil service pay scale)
  • General Support
  • (s) Gigasiemens
  • South Georgia and the South Sandwich Islands (ISO 3166 digram)
• GSR – (i) Gun Shot Residue
• GS-R – (i) General Support-Reinforcing
• GSA – (i) U.S. General Services Administration
• GSD – (i) Graphical Situation Display
• GSG
  • (i) German Sport Guns
  • Global Scenario Group (former environmental research organization)
  • Grenzschutzgruppe (German, "Border Guard Group" — Germany's GSG 9 counterterrorist unit was originally a special branch of the border police)
• GSGB – (God send glamour boy 9-10/10)
• GSK – (p) GlaxoSmithKline [good sexual karma]
• GSM
  • (i) General Service Medal
  • Grams per Square Metre (paper thickness; properly g/m²)
  • Ground Station Module
  • Groupe spécial mobile (French, "Special Mobile Group"; official expansion is now Global System for Mobile Communications)
• GSN – (a/i) Game Show Network
• GSO – (i) General Services Officer (U.S. Department of State)
• GSOH – (i) Good Sense Of Humour
• GSP – Georges St-Pierre (Canadian MMA fighter)
• GSS – (i) Generic Security Services
• GST – (i) Goods and Services Tax (Australia, Canada, and other countries)
• GSW – (i) Gunshot wound

GT

• GT – (s) Gigatesla – (i) Gran Turismo – Grand Touring – (s) Guatemala (FIPS 10-4 country code; ISO 3166 digram)
• GTA – (i) Grand Theft Auto
• GTB – (i) Get to bed, namely to get a new job after a long time of searching, usually following a phone call
• GTC – (i) Gran Telescopio Canarias (Spanish, Canaries Great Telescope)
• GTD – (i) Getting Things Done
• GTFO – "Get the fuck out!"
• GTG – (i) Got To Go (Internet chat)
• GTK – (i) Good To Know (Internet chat)
• GTGN – (i) Getty Thesaurus of Geographic Names
• GTM – (s) Guatemala (ISO 3166 trigram)
• GTQ – (s) Guatemalan quetzal (ISO 4217 currency code)
• GTV – (s) Gross Tumor Volume quetzal (ISO 4217 currency code)

GU

• gu – (s) Gujarati language (ISO 639-1 code)
• GU – (s) Guam (postal symbol; ISO 3166 digram)
• GUA – (s) Guatemala (IOC and FIFA trigram, but not ISO 3166)
• GUF – (s) French Guiana (ISO 3166 trigram)
• GUI – (a) Graphical user interface ("goo-ey")
• GUILT – (a) Gangliated Utrophin Immuno Latency Toxin
• guj – (s) Gujarati language (ISO 639-2 code)
• GULCR – (i) Grupo de Usuarios de Linux de Costa Rica
• Gulag – (p) Glavnoye Upravleniye ispravitelno-trudovykh LAGerei i kolonii (Russian Главное Управление Исправительно—Трудовых Лагерей и колоний, "Main Directorate of Corrective Labour Camps")
• GUM
  • (a) Glavnyi Universalnyi Magazin (Russian Главный Универсальный Магазин, "Main Department Store"; known in Soviet times as Gosudarstvennyi Universalnyi Magazin/Государственный Универсальный Магазин, "State Department Store")
  • (s) Guam (ISO 3166 trigram)
  • Guide to the expression of Uncertainty in Measurement
• GUT – (a) Grand Unification Theory

GV

• gv – (s) Manx language (ISO 639-1 code)
• GV – (s) Gigavolt – Guinea (FIPS 10-4 country code)

GW

• GW – (i) Games Workshop – Germ Warfare – (s) Gigawatt – (i) Guided Weapon – (s) Guinea-Bissau (ISO 3166 digram)
• GWARS – (p) Ground Warfare System (simulation)
• GWAS – (p) Grand Western Archery Society
• GWOT – (i) Global War on Terrorism
• GWS – (i) Gulf War Syndrome – Greater Western Sydney

GX

• GXA – (p) Global XML Web Services Architecture
• GXE – (s) Gene-enivronment interaction
• GXF – (p) General Exchange Format
• GXH – (i) IATA code of Gannan Xiahe Airport
• GXL – (p) Graph eXchange Language
• GXM – (p) Matrox Graphics eXpansion Module
• GXP – (p) Grid Exit Point - (i) Global Xchange Programme - (i) Indication of highest performance level on some Pontiac vehicles
• GxP – (i) Good X Practice (X can mean: clinical, manufacturing, pharmaceutical, etc.)
• GXY – (i) IATA code of Greeley-Weld County Airport

GY

• GY – (s) Guyana (FIPS 10-4 country code; ISO 3166 digram)
• GYD – (s) Guyana dollar (ISO 4217 currency code)
• GYY – (s) Gary/Chicago International Airport (IATA Airport Code)

GZ

• GZ – (s) Gaza Strip (FIPS 10-4 territory code) – (i) Ground Zero
• GZK – (i) Greisen-Zatsepin-Kuzmin cut-off (cosmic ray energies)