AR

Look up ar in Wiktionary, the free dictionary.

AR, Ar or ar may refer to:

• The letter R

Computing

• Abandonia Reloaded, a freeware games web community
• Accelerated Reader, educational reading assessment software
• Action Replay, video game device
• Activation record, a computer science term for the set of data regarding an active subroutine, stored within the stack
• 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
• ar (Unix), a Unix archive format and handling tool
• Augmented reality, an application of virtual reality in the real world

Culture

• American Revolution
• Animal rights
• Argent, the heraldic tincture of silver
• Repair Ship, a U.S. Navy hull classification symbol
• ᛅ rune of the Younger Futhark
• Ar., an abbreviation related to Kodashim
• "Ar", a word in the West Country dialect of English, generally indicating agreement or assent and commonly associated with pirates.

Media

Music

• 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
• A.R Rahman, Indian singer and music composer

Fiction

• Alex Rider, a fictional character and book series by author Anthony Horowitz
• Alternate reality, fictional concept
• Ar, largest city on the fictional planet Gor, in the novel series by John Norman
• Arlesdale Railway, a fictional railway in the Railway Series by W.V. Awdry
• Armaan and Riddhima, two lovebirds of the youthful show Dill Mill Gayye

Places

• .ar, the ccTLD for Argentina
• Argentina
• Arkansas, United States
• Ar (city), ancient Moab
• Appenzell Outer Rhodes, Switzerland
• Province of Arezzo, Italy
• Arad County, Romania
• Arunachal Pradesh, a state in north-eastern India

Publications

• Architectural Review, a publication of contemporary architecture
• Arizona Republic, a newspaper published in Phoenix, Arizona
• Absolute Return + Alpha, a hedge fund publication

Science

• Accelerated Rehabilitation
• Atomic Weight
• 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
• Archimedes number, in physics and engineering
• Argon, chemical symbol
• Artificial Respiration, a cardio-respratory technique for lifesaving
• Aryl functional group
• Autoregressive, stochastic process in econometrics
• Autosomal Recessive
• Silver, in numismatics

Other

• Alfa Romeo, automobile
• Ar. also used for salutation for Professional Architect
• AR-15, a rifle
• Accounts Receivable, an accounting term
• Assistant referee (association football)
• Arabic language (ISO 639 alpha-2 language code)
• Argentina (ISO 3166-1 alpha-2 country code)
• Autoregressive model, concerning random processes in statistics

See also

• All pages beginning with "AR"
• All pages with titles containing "AR"
• A (disambiguation)
• R (disambiguation)
• Prefix disambiguation: ARA, ARB, ARC, ARD, ARE, ARF, ARG, ARH, ARI, ARJ, ARK, ARL, ARM, ARN, ARO, ARP, ARQ, ARR, ARS, ART, ARU, ARV, ARW, ARX, ARY, ARZ

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.