ARR

Look up arr in Wiktionary, the free dictionary.

ARR may refer to:

Aviation

• Aeronautica Regala Romana (ARR), Romanian Royal Aeronautics or the Royal Romanian Air Force

People

• Jonny Arr (born 1988), English rugby union player
• A. R. Rahman (born 1967), Indian film composer, record producer, musician and singer

Places

• Andøya Rocket Range, Norway
• Arr, Mauritania, a town

Science and technology

• Absolute risk reduction, a statistical term used in biostatistics and epidemiology
• Annual (or annualized), Relapse Rate, a statistical term typically used in studies of therapies for multiple sclerosis
• Address-range register, in computer hardware
• Aldosterone-to-renin ratio, a blood concentration
• Application Recovery and Restart, in Windows Vista and later
• Application Request Routing, a proxy-based routing module for Internet Information Services, a Windows-based web server
• Final Fantasy XIV: A Realm Reborn, a MMORPG published by Square Enix

Transportation

• Air Armenia, by ICAO airline code
• Alaska Railroad, by reporting mark
• Alberta Resources Railway
• Arram railway station, United Kingdom, by National Rail code
• Aurora Municipal Airport (Illinois), by ICAO and FAA airport code

Finance

• Accounting rate of return, a financial ratio
• Annual recurring revenue, a metric of predictably recurring revenue

Other

• All rights reserved, in copyright law
• Arr! is an interjection stereotypically associated with Pirates in popular culture, and is attested in "pirate speak"
• "Arr.", an abbreviation for Arrangement that is commonly used in the credits on sheet music

See also

• All pages beginning with "ARR"
• All pages with a title containing ARR