Noun
(automotive) Initialism of gas injection system.
Initialism of geographic information science.
(computing) Initialism of geographic information system (“computer-based system to analyse and present spatial data”).
gis (uncountable)
(ornithology, slang) Alternative spelling of jizz
American GIs don't fight this unjust immoral and illegal war of Johnson's. Hanoi Hannah
Because the GIs were sent massively to South Vietnam, maybe it's a good idea to have a broadcast for them. Hanoi Hannah
Our program for American GIs can be heard at 1630 hours. Hanoi Hannah
According to him the number of personnel of the Ghana Immigration Service (GIS) at the borders was now inadequate to enforce the closure effectively, for which reason other security agencies were assisting to enforce of the closure. Source: Internet
After entering data into a GIS, the data usually requires editing, to remove errors, or further processing. Source: Internet
Adding the dimension of time seeAlso The condition of the Earth's surface, atmosphere, and subsurface can be examined by feeding satellite data into a GIS. Source: Internet