| Arabia | ARP | Argument from nonbelief |
| Art rockArt rock is a sub-genre of rock music that is characterized by ambitious lyrical themes and melodic or rhythmic experimentation, often extending beyond standard pop song forms and toward influences in jazz, classical, or the avant garde. The art rock desi | Arguments against the existence of GodMany arguments against the existence of God have been proposed over time, with reference to multiple gods and conceptions of God. This article lists some of the more common ones. Arguments against specific conceptions of God While some theists argue that | ArchbishopIn Christianity, an archbishop is an elevated bishop heading a diocese of particular importance due to either its size, history, or both, called an archdiocese. When a bishop becomes an archbishop, he is not in any sense being ordained nor otherwise recei |
| ArtCyclopediaArtCyclopedia is an online index of museum-quality fine art founded by Canadian John Malyon. The ArtCyclopedia only deals with art that can be viewed online, and currently has indexed 1200 arts sites, with links to over 100,000 works by 7,500 renowned art | Arranged marriageAn arranged marriage is a marriage where the marital partners are chosen by others based on considerations other than the pre-existing mutual attraction of the partners. Social origins This habit has been very common in noble families, especially in reign | Arts and Crafts movementArt history Art movements The Arts and Crafts Movement was a reformist movement, at first inspired by the writings of John Ruskin, that was at its height ca. 1880-1910. The movement influenced British decorative arts, architecture, cabinet making, crafts |
| Artificial selectionChihuahua mix and Great Dane show the wide range of dog breed sizes created using artificial selection. In the theory of evolution, artificial selection is the process of intentional or unintentional modification of a species through human actions which e | Arms controlArms control is a broad term alluding to a range of political concepts and aims. In an increasingly pacifistic world arms control has been increasingly emphasised on the international political agenda. The term "arms control" often alludes to disarmament | Arcade gameCentipede by Atari is a typical example of a 1980s era arcade game. An arcade game is a coin-operated entertainment machine, typically installed in businesses such as restaurants, pubs, and video arcades. Most arcade games are video games or pinball machi |
| Arrow | Aryan Nations | Arch |
| Arapaho | Armageddon (movie) | Arab League |
| Architecture of Ancient Greece | Arm | Arales |
| Araceae | Archimedes's screw | Archetype |
| Arms and the Man | Architecture with non-sequential dynamic execution scheduling | Arc |
| Artinian | Arnhem | Arnold Bennett |
| Arts and crafts | Arkenstone | Army of Northern Virginia |
| Arcadia | Arlington | Arcadia (play) |
| Artificial life | Ardmore | Arundo |
| Aristobulus III of Judea | Arena Football League | ARCO |
| Art Nouveau | ARITH-MATIC | Archie search engine |
| Archie Comics | Are | ARM |
| Arrowsmith | Armistice | Arthur Edward Waite |
| Archimedean spiral | Architectural style | Arsenal ship |
| Arthur Hailey | Aragorn | Arithmetic coding |
| Archaean | Article 9 of the Constitution of Japan | Arachnid Solitaire |
| Arthur Schnitzler | Arwen | Arginine |
| Arrondissement | Arda | Arawak |
| Arkham | Aratrum | Art gallery |
| Art colony | ARC | Armia Krajowa |
| Areas of Edinburgh | Arkham House | Artem Mikoyan |
| Arnold J. Toynbee | Artur Schnabel | Arizona State Parks |
| Arnold Schoenberg | Armin Hary | Archie Hahn |
| Arc lamp | Artaxerxes I of Persia | Arcsecond |
| Aral Sea | Arizona-Sonora Desert Museum | Argos |
| Arizona League | Arizona Fall League | Art Garfunkel |
| ARA General Belgrano | Arminius | Ariane |
| Aristarchus | Archibald Vivian Hill | Arla (file system) |
| Arbroath | Arnulf | Argonaut |
| Argonauts | Arterial hypertension | Arethusa |
| Archelaus | Archilochus | Argus McSwine |
