Main Page | See live article | Alphabetical index GI or gi may also stand for: ;gastro-intestinal: in medicine ;GI: in common American usage: "government-issued", "army enlisted personnel", "Galvanized Iron", see also: GI Joe. ;gi: a two-letter English word for a judo or karate costume ;Gibraltar: ISO country code ;gilbert (Gb or Gi): a former unit of magnetomotive force or magnetic potential ;gill (gi): U.S. customary unit equal to 4 fluid ounces ;Global Illumination: In 3D computer graphics, GI is about calculating light in 3d scenes in variuos forms. Rendering used to be slow, depending on computer CPU and settings. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.