AR, Ar or ar can mean:
- the letter R
Contents |
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
- 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. R is the eighteenth letter of the modern Latin alphabet. Its name in English is spelled ar (ɑr pronounced or) Arabic (ar الْعَرَبيّة (informally ar عَرَبيْ) in terms of the number of speakers is the largest living member of the Semitic language ISO 639 is the set of international standards that lists short codes for Language names A country For a topic outline on this subject see List of basic Argentina topics. For a topic outline on this subject see List of basic Argentina topics. ISO 3166-1 alpha-2 codes are two-letter Country codes in the ISO 3166-1 standard to represent countries and dependent territories. Country codes are short alphabetic or numeric geographical Codes ( Geocodes developed to represent countries and dependent areas for use in data processing Appenzell Ausserrhoden (German; in English sometimes Appenzell Outer Rhodes) is a canton of Switzerland. The 26 cantons of Switzerland are the states of the Federal state of Switzerland. Arkansas ( is a state located in the southern region of the United States. The atomic mass (ma is the Mass of an atom most often expressed in unified atomic mass units The atomic mass may be considered to be the total mass The adrenergic receptors (or adrenoceptors) are a class of G protein-coupled receptors that are targets of the Catecholamines Adrenergic receptors The androgen receptor ( AR) also known as NR3C4 (nuclear receptor subfamily 3 group C member 4 is a type of Nuclear receptor which is activated by
- Artificial Respiration, a cardio-respratory technique for lifesaving. Artificial respiration is the act of simulating respiration, which provides for the overall exchange of gases in the body by pulmonary ventilation external respiration and internal
- 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. In Statistics, autoregressive moving average ( ARMA) models, sometimes called Box-Jenkins models after the iterative Box-Jenkins methodology Econometrics is concerned with the tasks of developing and applying Quantitative or Statistical methods to the study and elucidation of economic principles Silver (ˈsɪlvɚ is a Chemical element with the symbol " Ag " (argentum from the Ancient Greek: ἀργήντος - argēntos gen Numismatics (numisma nomisma "coin" from the νομίζειν nomízein, "to use according to law" is the study or collection of Currency Zinc acetate is the Chemical compound with the formula Zn(O2CCH32 but more commonly refers to the dihydrate Zn(O2CCH32(H2O2 Mandelic acid is an Aromatic Alpha hydroxy acid with the molecular formula C8H8O3 Perchloric acid, HClO4 is an Oxoacid of Chlorine and is a colorless liquid soluble in water. This article pertains to the chemical element For other uses see Argon (disambiguation. AR-15 (for Ar malite model 15, often mistaken for A utomatic R ifle is the common name for the widely-owned semi-automatic An assault rifle is a Selective fire Rifle or Carbine (not to be confused with a semi-automatic only replica firing Ammunition with muzzle ArmaLite, originally the ArmaLite Division of the Fairchild Engine and Airplane Corporation, is a Small arms manufacturing company AR-15 (for Ar malite model 15, often mistaken for A utomatic R ifle is the common name for the widely-owned semi-automatic An assault rifle is a Selective fire Rifle or Carbine (not to be confused with a semi-automatic only replica firing Ammunition with muzzle Anti-reflective or antireflection (AR coatings are a type of Optical coating applied to the surface of lenses and other optical devices to reduce
- Artist and repertoire
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. Artists and Repertoire ( A&R) is the division of a Record label that is responsible for talent scouting and artist development The archiver (also known simply as ar) is a Unix utility that maintains groups of files as a single archive file. Unix (officially trademarked as UNIX, sometimes also written as Unix with Small caps) is a computer In Computer science, a call stack is a dynamic stack data structure which stores information about the active Subroutines of a Computer program
- 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. Augmented reality ( AR) is a field of Computer research which deals with the combination of real-world and computer-generated data Virtual reality ( VR) is a technology which allows a user to interact with a Computer-simulated environment be it a real or imagined one Accelerated Reader (AR is a daily progress monitoring software assessment in wide use by primary and secondary schools for monitoring the practice of reading and it is created by Action Replay is the Brand name of a series of devices created by Datel, primarily used for changing the behavior of Video games Currently Action Replay A video game is a Game that involves interaction with a User interface to generate visual feedback on a video device. Abandonia is an Abandonware website focusing mainly on showcasing Computer games and distributing games made for the MS-DOS system Freeware is computer Software that is available for use at no cost or for an optional fee
- Alternate Reality, a Primary Racial Trait in the 4X strategy computer game Stars!
- Armadillo Run, a physics-based, independently developed computer game. 4X games are a genre of strategy Video game where players control an Empire and "eXplore eXpand eXploit and eXterminate Strategy video games are Video games that focus on gameplay requiring careful and skillful thinking and planning in order to achieve victory A video game is a Game that involves interaction with a User interface to generate visual feedback on a video device. Stars! is a complex Turn-based Computer game based around the management of planets and fleets of spaceships following the 4X game (eXplore Armadillo Run is the title of a puzzle game created by Peter Stock
- Air Rivals, a MMORPG/FPS, the new Space Cowboy. Ace Online is a Free-to-play Massively multiplayer online role-playing game (MMORPG with the characteristics of both third-person shooters and flight simulators
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. Artists and Repertoire ( A&R) is the division of a Record label that is responsible for talent scouting and artist development The music industry is the business of Music. Although it encompasses the activity of many music-related businesses and organizations it is currently dominated by the "big
- 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. Acoustic Research was a Cambridge Massachusetts -based Company that manufactured High-end audio equipment Audiovox Corporation ( established in 1965 Audiovox continues to operate and expand under its chairman and founder John J The Aberdeen and Rockfish Railroad is a Shortline operating in North Carolina. The Association of American Railroads is an industry trade group representing primarily the major freight railroads of Atlantic Records ( Atlantic Recording Corporation) is an American Record label best known for its many recordings of Rhythm & blues, Rock Aerolíneas Argentinas is the largest domestic and international Airline in Argentina and serves as Argentina's Flag carrier. The Arizona Republic is a daily newspaper published in Phoenix, Arizona. ArmaLite, originally the ArmaLite Division of the Fairchild Engine and Airplane Corporation, is a Small arms manufacturing company g. AR-15 or any rifle of the same pattern)
- Army Regulation, a publication in the family of field manuals, training manuals, etc. AR-15 (for Ar malite model 15, often mistaken for A utomatic R ifle is the common name for the widely-owned semi-automatic US Army Field Manuals are published by the United States Army 's Army Publishing Directorate A Training Manual is a Book or Booklet of instructions designed to improve the quality of a performed task
- Administrative Record, a required,comprehensive file of documents that forms the basis of decisions made regarding cleanup.
- Architectural Review, a publication of contemporary architecture. The Architectural Review is a monthly international architectural magazine published in London since 1896.
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. In this article the inhabitants of the thirteen colonies that supported the American Revolution are primarily referred to as "Americans" with occasional references to "Patriots" "Animal liberation" redirects here for other uses see Animal liberation (disambiguation. In Heraldry, argent is the tincture of silver, and belongs to the class of light tinctures called "metals" Accounts receivable (A/R is one of a series of Accounting transactions dealing with the Billing of customers who owe money to a person company or organization for The United States Navy uses hull classification symbols (sometimes called hull codes) to identify the types of its ships The Younger Futhark, also called the Scandinavian runes, is a Runic alphabet, a reduced form of the Elder Futhark, consisting of only 16 characters in
Fiction
- Ar, largest city on the fictional planet Gor, in the Gorean series by John Norman. Gor, the Counter-Earth, is the alternate-world setting for John Norman's Chronicles of Gor, a series of twenty six novels that combine Philosophy John Frederick Lange Jr (born June 3, 1931) better known under his pen name John Norman, is a Professor of Philosophy and an author
- 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. The Arlesdale Railway, more commonly known as the Small Railway is a Fictional Railway on the Island of Sodor from The Railway Series books by We know how exciting this is but WPTHOMAS/FAQ explains WikiProject Thomas' Wilbert Vere Awdry, OBE, ( 15 June 1911 &ndash 21 March 1997) better known as the Reverend W Alex Rider is a series of spy novels by English author Anthony Horowitz about a young spy named Alex Rider. Anthony Horowitz (born 5 April 1956 is an English Author and Screenwriter.
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