Sports

• G1 Climax
  G1 Climax
  The G1 Climax professional wrestling tournament is a weeklong event held each August by the New Japan Pro Wrestling promotion. The G1 draws standing room only crowds each night, record receipt gates and generates front-page coverage on the sports sections of several of the daily newspapers in Tokyo...
  
  , an annual professional wrestling singles tournament held by New Japan Pro Wrestling

Science

• G1 phase
  G1 phase
  The G1 phase is a period in the cell cycle during interphase, before the S phase. For many cells, this phase is the major period of cell growth during its lifespan. During this stage new organelles are being synthesized, so the cell requires both structural proteins and enzymes, resulting in great...
  
   in the cellular cycle
• G1 regulatory sequence for the insulin gene
• ATC code G01
  ATC code G01
  -G01A Antiinfectives and antiseptics, excluding combinations with corticosteroids:-G01AA Antibiotics:-G01A Antiinfectives and antiseptics, excluding combinations with corticosteroids:-G01AA Antibiotics:...
  
   Gynecological antiinfectives and antiseptics, a subgroup of the Anatomical Therapeutic Chemical Classification System
• Alkali metal
  Alkali metal
  The alkali metals are a series of chemical elements in the periodic table. In the modern IUPAC nomenclature, the alkali metals comprise the group 1 elements, along with hydrogen. The alkali metals are lithium , sodium , potassium , rubidium , caesium , and francium...
  
  , Group 1 of the periodic table
• globular cluster Mayall II
  Mayall II
  Mayall II also known as NGC-224-G1, SKHB 1, GSC 2788:2139, HBK 0-1, M31GC J003247+393440 or Andromeda's Cluster is a globular cluster orbiting M31, the Andromeda Galaxy....
  
  
• The giant elliptical galaxy YGKOW G1 that lenses the Twin Quasar
  Twin Quasar
  The Twin Quasar , also known as SBS 0957+561, or TXS 0957+561 , was the first identified gravitationally lensed object.-Quasar:...
  
  
• G1 star, a subclass of G-class
  Stellar classification
  In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective measure...
  
   stars

Products

• Alfa Romeo G1
  Alfa Romeo G1
  The Alfa Romeo G1 was the first all-new design from Alfa Romeo after the end of the A.L.F.A. brand. Giuseppe Merosi, while into a legal action against Nicola Romeo about the takeover conditions, designed at home the drawings for both the update of the prewar 24HP into the revised 20/30ES and the...
  
  , a 1921 Italian car
• Contax G1
  Contax G
  The Contax G1 and Contax G2 are interchangeable-lens cameras sold by Kyocera under the Contax brand in competition with the Leica M7, Voigtlander Bessa R, and Konica Hexar RF. The G1 was introduced in 1994 with the G2 joining it in 1996...
  
  , a Rangefinder camera made by Contax Inc.
• DSC-G1, a 2007 Sony Cypber-shot G series camera model
• DSER Class G1, a Dublin and South Eastern Railway Irish steam locomotive
• PowerPC 601 (PowerPC G1)
• PowerShot G1, a Canon camera
• PRR G1, an American PRR 4-6-0 steam locomotive
• HTC Dream
  HTC Dream
  The HTC Dream is an Internet-enabled smartphone with an operating system designed by Google and hardware designed by HTC...
  
  , also known as the T-Mobile G1, a smartphone that runs Google's Android software platform
• Transformers: Generation 1
  Transformers: Generation 1
  Transformers: Generation 1 was the original Transformers toy line that produced from 1985 to 1992 and actually lasted longer than the G1 1980s television series itself...
  
  , referring to the first Transformers incarnation
• Panasonic Lumix DMC-G1
  Panasonic Lumix DMC-G1
  The Panasonic Lumix DMC-G1 is the first digital mirrorless interchangeable lens camera adhering to the recently developed Micro Four Thirds System system design standard...
  
  , a digital camera made by Panasonic

Shorthand

• "Good One", Internet Slang
  Internet slang
  Internet slang is a type of slang that Internet users have popularized, and in many cases, have coined. Such terms often originate with the purpose of saving keystrokes. Many people use the same abbreviations in texting and instant messaging, and social networking websites...
  
   shorthand
• Gorkha Airlines
  Gorkha Airlines
  Gorkha Airlines is an airline based in Kathmandu, Nepal. It operates scheduled and charter flights to domestic destinations, as well as daily mountain flights in the Himalayas. Its main base is Tribhuvan International Airport, Kathmandu.- History :...
  
   IATA airline designator
• A common slot on vending machines
• The NATO code for the Assistant Chief-of-Staff, Army Personnel and Administration
• The designation for the US Army Staff function that is responsible for personnel matters at the Division level and above.

Organizations

• G1 UK, a Glasgow based Charity
• g1, an official ScrewAttack
  ScrewAttack
  ScrewAttack . is a video game-related website that showcases original entertainment for an audience of video game enthusiasts. Its content is also shown on GameTrailers and IGN...
  
   designation, A g1 is any member of the ScrewAttack community, including the site creator and staff. The designation comes from the term "Gamers First", with the ideal of gamer-made content for a gamer audience.

Military

• G1 is in NATO the Assistant Chief Of Staff (ACOS) or senior staff officer on recruitment or personnel at the division
  Division (military)
  A division is a large military unit or formation usually consisting of between 10,000 and 20,000 soldiers. In most armies, a division is composed of several regiments or brigades, and in turn several divisions typically make up a corps...
  
   level and higher (military shorthand).
• G-1 (submarine), a class of early-20th century submarines constructed by the Lake Torpedo Boat Company of Bridgeport, Connecticut and purchased by the United States Navy
• Char G1
  Char G1
  The Char G1 was a French replacement project for the Char D2 medium tank. Several prototypes from different companies were developed since 1936, but not a single one had been fully completed at the time of the Fall of France in 1940...
  
  , a French tank
• The designation used by the West German and Turkish armies for the FN FAL
  FN FAL
  The Fusil Automatique Léger or FAL is a self-loading, selective fire battle rifle produced by the Belgian armaments manufacturer Fabrique Nationale de Herstal . During the Cold War it was adopted by many North Atlantic Treaty Organization countries, with the notable exception of the United States...
  
   rifle
• G.I, a German designation for several World War I heavy bombers:
  • AEG G.I
    AEG G.I
    -See also:-References:NotesBibliography*Gray, Peter and Thetford, Owen. German Aircraft of the First World War. London:Putnam, 1970 2nd. Ed.....
    
    
  • Albatros G.I
    Albatros G.I
    |-See also:...
    
    , a German aircraft whose development was the Albatros G.II
    Albatros G.II
    |-See also:...
    
     1916 aircraft
  • Friedrichshafen G.I
    Friedrichshafen G.I
    |-See also:...
    
    
  • Gotha G.I
    Gotha G.I
    The Gotha G.I was a heavy bomber used by the Luftstreitkräfte during World War I.-Design and development:In mid-1914, Oskar Ursinus, the founder and editor of the German flying magazine Flugsport, began designing a large twin-engine seaplane of unconventional configuration...
    
    
  • Hansa-Brandenburg G.I
    Hansa-Brandenburg G.I
    |-References:...
    
    , a 1916 bomber aircraft
• Fokker G.I
  Fokker G.I
  The Fokker G.I was a Dutch heavy twin-engined fighter plane comparable in size and role to the German Messerschmitt Bf 110 and the British Mosquito. Although in production prior to World War II, its combat introduction came at a time when the Netherlands was overrun...
  
  , a 1937 Dutch heavy twin-engined fighter plane
• A British-manufactured howitzer
• G-1 military flight jacket
  G-1 military flight jacket
  The "G-1" military flight jacket is the commonly accepted name for the fur-lined-collar World War II-era flight jacket of the United States Navy, Marine Corps, and Coast Guard...
  
  , a type of Flight jacket
  Flight jacket
  The flight jacket, or bomber jacket is a garment originally created for pilots, which eventually became part of popular culture and apparel. In the First World War most airplanes did not have an enclosed cockpit, which necessitated a garment that could keep pilots sufficiently warm...
  
  

Other

• G1 (website), a Brazilian news portal
• G1 licence, the first tier in the graduated licensing programme for Ontario's new drivers
• G1 is often used to refer to the first three seasons of the Transformers
  Transformers
  A transformer is a device that transfers electrical energy from one circuit to another by magnetic coupling.Transformer may also refer to:* ASUS Eee Pad Transformer, an Android 3.2 Honeycomb tablet computer manufacturer by Asus...
  
   animated series
• In ISO/IEC 2022 character sets, one of 4 groups of characters that may be swapped into the encoding space via control codes
• G1 is a Stepping level
  Stepping level
  The term stepping level in the context of CPU architecture or integrated circuitry is a version number.Stepping level refers to the introduction or revision of the lithographic mask or masks within the set of plates that generate the pattern that produces the CPU or integrated circuit...
  
  code used to designate microprocessor design revisions