GR

particle; small portion of; smallest mass unit in the glorious traditional system (64.8 mg in ugly modern units)

GR may refer to:.gr, the Internet country code top-level domain for GreeceGR footpaths, long-distance footpaths in western EuropeGrain (measure) (gr), a unit of massGrashof number (Gr) in physicsGreece (ISO and NATO country code GR)Graubünden, a canton of SwitzerlandGame-Revolution, a video game review web siteGeneral relativity, the geometrical theory of gravitation proposed by Albert EinsteinGlobalise Resistance, a UK anti-capitalist groupGlucocorticoid receptor, a ligand-activated intracytoplasmatic transcription factorGood Riddance, a punk rock band from Santa Cruz, CaliforniaGraphics Resolution, a graphics mode for Apple II-family computersGwoyeu Romatzyh, a system of romanization for ChineseGabriel Richard High School, a private high school in MichiganAurigny Air Services IATA airline designatorGemini Air Cargo IATA airline designator
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.gr is the country code top-level domain (ccTLD) for Greece. Registrations are processed via accredited registrars and domain names in Greek characters may also be registered.
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great drive

GR, Greece, country in southeastern Europe (situated on the southern end of the Balkan Peninsula between the Mediterranean and Aegean Seas)

centesimal degree; gr., gram, unit of weight equal to 1/1000 of a kilogram