Arg or ARG may refer to:
Acid rock generationargument, or, specifically:Complex argument, the angular component, φ = arg(z), of the complex number z represented in circular/polar coordinates
Parameter (computer science), in computer science, the input for a subroutine
Architectural Resources Group, an architecture firm based in San Francisco
Alternate reality game, an interactive, cross-media narrative
American Research Group, a polling research firm based in Manchester, New Hampshire
American Record Guide, a classical music magazine
Amphibious ready group, a US Navy group considting of Navy ships and a Marines landing forceAncestral recombination graph
Angle recession glaucomaAnti rolling gyro, used to stabilisate boats
Aragonese language (
ISO 639 alpha-3, arg)Arg, the planet traveled to in the '80s BBC programme
The Adventure Game Arg-é Bam, in classical Persian architecture, a type of citadel
ArgentinaArginine, an α-amino acid
Argos (retailer), now Home Retail Group
Arisaig railway station, United Kingdom, from its National Rail code
Austin Rover, the name of Britain's largest carmaker during the 1980s
Australian Railroad Group
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