AR 224152 221520347 2008-06-24T21:30:51Z 68.236.160.254 /* Businesses, organizations, groups, publications */ '''AR''', '''Ar''' or '''ar''' can mean: *the letter [[R]] ==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]]) ==Medicine, technology, science, mathematics, economics== *[[Atomic mass|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 insufficiency|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]] ===Computer related=== *[[ar (Unix)|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 ====Computer games==== *[[Action Replay]], [[Video game]] device *[[Abandonia Reloaded]], a [[freeware]] games web community. *''Alternate Reality'', a Primary Racial Trait in the [[4X game|4X]] [[Strategy video game|strategy]] [[Video game|computer game]] ''[[Stars!]]'' *[[Armadillo Run]], a physics-based, independently developed computer game. *[[Air Rivals]], a MMORPG/FPS, the new [[Space Cowboy]]. ==Businesses, organizations, groups, publications== *[[A&R]] a part of the [[music industry]] *[[Arkadium]]-Developer of online game solutions for the advergaming and casual game markets. *[[Acoustic Research]], a brand name of [[Audiovox]] *[[Aberdeen and Rockfish Railroad]], ([[Association of American Railroads|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 manual]]s, [[training manual]]s, 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. ==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. ===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. {{disambig}} [[af:AR]] [[cs:AR]] [[da:Ar]] [[de:AR]] [[el:AR]] [[eo:Ar]] [[eu:Ar]] [[fr:AR]] [[ko:AR]] [[it:AR]] [[lt:Ar]] [[nl:Ar]] [[ja:AR]] [[no:AR]] [[pl:AR]] [[pt:AR]] [[ksh:AR (Watt ėßß datt?)]] [[sl:Ar]] [[sh:Ar]] [[fi:Ar]] [[sv:AR]] [[vi:AR]] [[zh:AR]]