Gi

GI or gi may stand for:

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• Gastrointestinal, a division of the human anatomy in medicine
• , in American usage, "government-issued", "army enlisted personnel".
• G.I. Joe, a toy soldier seriers manufactured by Hasbro
• (GI), an album by influential punk band The Germs.
• Galvanized iron.
• Geographical indication.
• Generic identifier
• Global income
• Graded index
• Gi, a two-letter English word for a the clothing used in judo, karate, and other Japanese martial arts. (It is however not correct Japanese; that would be keikogi or dogi.)
• Gibraltar's ISO country code and country code top-level domain.
• Gilbert (Gb or Gi), a former unit of magnetomotive force or magnetic potential.
• Gill (gi), a U.S. customary unit equal to 4 U.S. fluid ounces (never used) and an Imperial unit equal to 5 imperial fluid ounces (rarely used)
• Global illumination, in 3D computer graphics, the rendering of light in 3D scenes
• Glycemic index, a ranking system for carbohydrates based on their effect on blood glucose levels
• Gi (Captain Planet character), the name of a character in the television series Captain Planet and the Planeteers
• Graph isomorphism problem and the complexity class of problems reducible to it
• Game Informer
• Geodætisk Institut, a former Danish cartographic institute.