AR
From Wikipedia, the free encyclopedia
AR, Ar or ar can mean:
- the letter R
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[edit] Places, regions, languages
- Arabic language (ISO 639 alpha-2 language code)
- .ar, the ccTLD for Argentina
- Argentina, ISO 3166-1 alpha-2 and FIPS 10-4 digram country code
- Appenzell Outer Rhodes, Swiss canton
- Arkansas (United States postal abbreviations)
[edit] Medicine, technology, science, mathematics, economics
- Relative atomic mass
- Adrenergic Receptor, a class of G protein-coupled receptors
- Androgen receptor, a nuclear hormone receptor
- Applied Relaxation, a form of behavioral therapy used for depression, anxiety, etc.
- Artificial Respiration, a cardio-respratory technique for lifesaving.
- Aortic Regurgitation, a heart valve disease
- Autoregressive, stochastic process in Econometrics
- Silver, in the field of numismatics (from the Latin Argentum)
- Analytical Reagent, such as Zinc acetate, Mandelic acid or Perchloric acid
- Argon, chemical symbol
- The AR-15, a popular Assault Rifle
- Armalite, maker of the AR-15, a popular Assault Rifle
- Anti-reflective coating, a coating on lenses that allows better light transmission through the lens.
- Artist and repertoire
[edit] Computer related
- ar is a Unix archive format and handling tool
- Activation record, a computer science term for the set of data regarding an active subroutine, stored within the stack.
- Augmented reality, an application of virtual reality in the real world
- Accelerated Reader, educational reading assessment software
[edit] Computer games
- Action Replay, Video game device
- Abandonia Reloaded, a freeware games web community.
- Alternate Reality, a Primary Racial Trait in the 4X strategy computer game Stars!
- Armadillo Run, a physics-based, independently developed computer game.
- Air Rivals, a MMORPG/FPS, the new Space Cowboy.
[edit] Businesses, organizations, groups, publications
- A&R a part of the music industry
- Arkadium-Developer of online game software for the advergaming and casual game markets.
- Acoustic Research, a brand name of Audiovox
- Aberdeen and Rockfish Railroad, (AAR reporting mark)
- Atlantic Records
- Aerolíneas Argentinas, IATA airline designator
- The Arizona Republic, a newspaper published in Phoenix, Arizona
- Armalite, an American arms manufacturer (e.g. AR-15 or any rifle of the same pattern)
- Army Regulation, a publication in the family of field manuals, training manuals, etc.
- Administrative Record, a required,comprehensive file of documents that forms the basis of decisions made regarding cleanup.
- Architectural Review, a publication of contemporary architecture.
[edit] Culture and history
- American Revolution
- Animal Rights, among animal rights activists
- Argent, the heraldic tincture of silver
- Accounts Receivable, an accounting term
- Repair Ship, U.S. Navy hull classification symbol
- the ᛅ rune of the Younger Futhark
- Ar - Ancient Armenia the Ar was the god Sun.
[edit] Fiction
- Ar, largest city on the fictional planet Gor, in the Gorean series by John Norman.
- Arlesdale Railway, a fictional railway in the Railway Series by W.V. Awdry
- Alex Rider, a fictional book series, by author, Anthony Horowitz; and the character with the same name.
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