AR
From Wikipedia, the free encyclopedia
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AR, Ar or ar can mean:
- the letter R
[edit] Businesses
- Acoustic Research, a brand name of Audiovox
- Aberdeen and Rockfish Railroad
- Aerolíneas Argentinas, IATA airline designator
- Armalite, an American arms manufacturer (e.g. AR-15 or any rifle of the same pattern)
[edit] Computer-related
- ar, a Unix archive format and handling tool
- Accelerated Reader, educational reading assessment software
- 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
[edit] Computer games
- Abandonia Reloaded, a freeware games web community
- Action Replay, video game device
- Air Rivals, a MMORPG/FPS, the new Space Cowboy
- Alternate Reality, a Primary Racial Trait in the 4X strategy computer game Stars!
- Armadillo Run, a physics-based, independently developed computer game
[edit] Culture, history, ideas
- American Revolution
- Animal rights
- Ar, the god Sun in Ancient Armenia
- Argent, the heraldic tincture of silver
- Repair Ship, a U.S. Navy hull classification symbol
- the ᛅ rune of the Younger Futhark
[edit] Fiction
- Alex Rider, a fictional character and book series by author Anthony Horowitz
- 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
[edit] Medicine, technology, science, mathematics, economics
- Accelerated Rehabilitation
- Relative atomic mass
- Adrenergic Receptor, a class of G protein-coupled receptors
- Analytical Reagent, a higher purity than SLR (Standard Laboratory Reagent)
- Androgen receptor, a nuclear hormone receptor
- Anti-reflective coating, a coating on lenses that allows better light transmission through the lens
- Aortic Regurgitation, a heart valve disease
- Argon, chemical symbol
- Artificial Respiration, a cardio-respratory technique for lifesaving
- Aryl functional group
- Autoregressive, stochastic process in econometrics
- Silver, in the field of numismatics
[edit] Miscellaneous
- AR-15, a popular Rifle
- Accounts Receivable, an accounting term
- Assistant referee (association football)
[edit] Music-related
- Abbey Road Studios, a recording studio
- Abbey Road, the eleventh album by The Beatles
- A&R a part of the music industry
- Artist and repertoire
- Atlantic Records
[edit] Places, regions, languages
- Arabic language (ISO 639 alpha-2 language code)
- .ar, the ccTLD for Argentina
- Argentina
- Arkansas, United States
- Appenzell Outer Rhodes, Switzerland
- Province of Arezzo, Italy
- Arad County, Romania
[edit] Publications
- Architectural Review, a publication of contemporary architecture
- Arizona Republic, a newspaper published in Phoenix, Arizona
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[edit] Statistics
- Autoregressive model, concerning random processes
