Arc
Encyclopedia
Arc may refer to:
Mathematics
- Arc (geometry)Arc (geometry)In geometry, an arc is a closed segment of a differentiable curve in the two-dimensional plane; for example, a circular arc is a segment of the circumference of a circle...
, a segment of a differentiable curve - Arc (projective geometry)Arc (projective geometry)In mathematics, a -arc in a finite projective plane π is a set of k points of \pi such that each line intersects A in at most d points, and there is at least one line that does intersect A in d points...
, a particular type of set of points of a projective plane - Arcminute, a measure used for angles, equal to 1/60th of a degree
- "arc-", a prefix sometimes used for an inverse functionInverse functionIn mathematics, an inverse function is a function that undoes another function: If an input x into the function ƒ produces an output y, then putting y into the inverse function g produces the output x, and vice versa. i.e., ƒ=y, and g=x...
, specifically trigonometry functions - A directed edge in graph theory
Optics
- 120° parhelion120° parhelionA 120° parhelion is a relatively rare halo, an optical phenomenon occasionally appearing along with very bright sun dogs as ice crystal-saturated cirrus clouds fill the atmosphere...
, relatively rare halo, an optical phenomenon occasionally appearing along with very bright sun dogs - Infralateral arcInfralateral arcAn infralateral arc is a rare halo, an optical phenomenon appearing similar to a rainbow under a white parhelic circle...
, a rare halo, an optical phenomenon appearing similar to a rainbow under a white parhelic circle - Lower tangent arcLower tangent arcA lower tangent arc is a rarely observable halo, an optical phenomenon appearing under and tangent to a 22° halo centred around the sun.Just like upper tangent arcs, the shape of a lower tangent arc is dependent on the altitude of the sun. As the sun slips over the horizon the lower tangent arc...
, rarely observable halo, an optical phenomenon appearing under and tangent to a 22° halo centred around the sun - Parry arcParry arcA Parry arc is a rare halo, an optical phenomenon which occasionally appears over a 22° halo together with an upper tangent arc.- Discovery :...
, a rare halo, an optical phenomenon which occasionally appears over a 22° halo together with an upper tangent arc - Subhelic arcSubhelic arcA subhelic arc is a rare halo, formed by internal reflection through ice crystals, that curves upwards from the horizon and touches the tricker arc above the anthelic point...
, a rare halo that curves upwards from the horizon and touches the tricker arc above the anthelic point - Supralateral arcSupralateral arcA supralateral arc is a rare halo, an optical phenomenon often confused with the indeed infrequently appearing 46° halo. Distinguishing between the two is furthermore difficult as supralateral arcs typically only appears in fragments while the 46° halo is very faint.In contrast to the static 46°...
, a rare halo, an optical phenomenon often confused with the indeed infrequently appearing 46° halo - Upper tangent arcUpper tangent arcAn upper tangent arc is a halo, an atmospheric optical phenomenon which appears over and tangent to the 22° halo around the sun.The shape of an upper tangent arc varies with the elevation of the sun; while the sun is low it appears as an arc over the sun forming a sharp angle...
, halo, an atmospheric optical phenomenon which appears over and tangent to the 22° halo centred around the sun
Engineering
- Arc chute, a protective device in an electrical circuit breaker
- Arc lampArc lamp"Arc lamp" or "arc light" is the general term for a class of lamps that produce light by an electric arc . The lamp consists of two electrodes, first made from carbon but typically made today of tungsten, which are separated by a gas...
, a device that produces light by an electric arc - Arc weldingArc weldingArc welding is a type of welding that uses a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point. They can use either direct or alternating current, and consumable or non-consumable electrodes...
, a method of welding that uses an electric arc to melt the metals together - Electric arcElectric arcAn electric arc is an electrical breakdown of a gas which produces an ongoing plasma discharge, resulting from a current flowing through normally nonconductive media such as air. A synonym is arc discharge. An arc discharge is characterized by a lower voltage than a glow discharge, and relies on...
or voltaic arc, an ongoing plasma discharge (an electric current through a gas), producing light and heat - Arc or archArchAn arch is a structure that spans a space and supports a load. Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture and their systematic use started with the Ancient Romans who were the first to apply the technique to a wide range of structures.-Technical aspects:The...
, a bowed or curved structure capable of spanning a space while supporting significant weight
Places
- Arc (Savoie)Arc (Savoie)The Arc is a 128 km long river in the Savoie département of south-eastern France. It is a left tributary of the Isère River, which it joins at Chamousset, approximately 15 km downstream from Albertville. Its source is near the border with Italy, in the Graian Alps, northeast of Bonneval-sur-Arc...
, a river of eastern France, tributary of the Isère river - Arc (Provence)Arc (Provence)The Arc is an 83 km long river in the south of France. It arises at an altitude of 470 m, close to the village of Pourcieux. It then passes through Aix-en-Provence before flowing into the Étang de Berre, a lake to the west of Marseille....
, a river of southern France, flowing into the Étang de Berre - Les ArcsLes ArcsLes Arcs is a ski resort located in Savoie, France, in the Tarentaise Valley town of Bourg-Saint-Maurice. Initially created by Robert Blanc and Roger Godino...
, a ski resort in the French Alps - Volcanic arcVolcanic arcA volcanic arc is a chain of volcanoes positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally they result from the subduction of an oceanic tectonic plate under another tectonic plate, and often parallel an oceanic trench...
, a chain of volcanoes positioned in an arc shape as seen from above - Island arcIsland arcAn island arc is a type of archipelago composed of a chain of volcanoes which alignment is arc-shaped, and which are situated parallel and close to a boundary between two converging tectonic plates....
, a type of archipelago composed of a chain of volcanoes which alignment is arc-shaped, and which are situated parallel and close to a boundary between two converging tectonic plates
Modern culture
- Story arcStory arcA story arc is an extended or continuing storyline in episodic storytelling media such as television, comic books, comic strips, boardgames, video games, and in some cases, films. On a television program, for example, the story would unfold over many episodes. In television, the use of the story...
, an extended or continuing storyline - Character arcCharacter arcA character arc is the status of the character as it unfolds throughout the story, the storyline or series of episodes. Characters begin the story with a certain viewpoint and, through events in the story, that viewpoint changes. A character arc generally only affects the main character in a...
, the status of a character as it unfolds throughout the story - "Arc", a song by Pearl Jam from Riot ActRiot Act (album)Riot Act is the seventh studio album by American alternative rock band Pearl Jam, released November 12, 2002 through Epic Records. Following a full-scale tour in support of its previous album, Binaural , Pearl Jam took a year-long break. The band then reconvened in the beginning of 2002 and...
- Arc (album)Arc (album)Arc is a composition of feedback, guitar noise, and vocal fragments that was realized from various shows on the 1991 Neil Young and Crazy Horse US tour, which was originally released with Weld in a special-edition 3-CD set called Arc-Weld...
, a 1991 live album by Neil Young
Computing and gaming
- Arc (programming language)Arc (programming language)Arc is a dialect of the Lisp programming language now under development by Paul Graham and Robert Morris.- History :In 2001 Paul Graham announced that he was working on a new dialect of Lisp named "Arc"...
, a Lisp dialect designed by Paul Graham - ARC (file format)ARC (file format)ARC is a lossless data compression and archival format by System Enhancement Associates . It was very popular during the early days of networked dial-up BBS. The file format and the program were both called ARC...
, a file extension for archive files - arc, the command-line interface for ArcInfoArcInfoArcInfo is a full-featured geographic information system produced by Esri, and is the highest level of licensing in the ArcGIS Desktop product line. It was originally a command-line based system...
- Arc System WorksArc System Worksis a video game developer and publisher based in Yokohama, Japan. It was founded by Minoru Kidooka in 1988. Arc System Works is best known for its arcade 2D fighting game, Guilty Gear and its sequels.-BlazBlue series:...
, a video game developer - ARC InternationalARC InternationalARC International plc was a developer of configurable microprocessor technology and is now owned by Synopsys. ARC developed synthesisable IP and licensed it to semiconductor companies....
, a developer of configurable microprocessor technology now owned by Synopsys
Other
- Aramaic languageAramaic languageAramaic is a group of languages belonging to the Afroasiatic language phylum. The name of the language is based on the name of Aram, an ancient region in central Syria. Within this family, Aramaic belongs to the Semitic family, and more specifically, is a part of the Northwest Semitic subfamily,...
(ISO 639-2/3 language code), a Semitic language - Arc @ UNSWArc @ UNSWArc @ UNSW Limited is the student organisation at the University of New South Wales and is a not-for-profit public company based in Sydney, Australia. The organisation supports the activities of student clubs, student volunteer programs such as orientation week, student publications, a student...
, the principal student organisation at the University of New South Wales - Arc of the United StatesArc of the United StatesThe Arc of the United States is the world's largest grassroots organization serving people with intellectual and developmental disabilities. The organization was originally founded in the 1950s by parents of individuals with developmental disabilities. Since that time, the organization has...
, a charitable organization - Joan of ArcJoan of ArcSaint Joan of Arc, nicknamed "The Maid of Orléans" , is a national heroine of France and a Roman Catholic saint. A peasant girl born in eastern France who claimed divine guidance, she led the French army to several important victories during the Hundred Years' War, which paved the way for the...
(c. 1410–1431), nicknamed "The Maid of Orléans" (French: Jeanne d'Arc, IPA: [ʒan daʁk]; ca. 1412 – 30 May 1431), is considered a national heroine of France and a Catholic saint - Prix de l'Arc de TriomphePrix de l'Arc de TriompheThe Prix de l'Arc de Triomphe is a Group 1 flat horse race in France which is open to thoroughbreds aged three years or older. It is run at Longchamp over a distance of 2,400 metres , and it is scheduled to take place each year, usually on the first Sunday in October.Popularly referred to as the...
, a Group 1 flat horse race - Arc (Bahá'í), a number of administrative buildings for the Bahá'í Faith, located on Mount Carmel in Israel
- Sony Ericsson Xperia ArcSony Ericsson Xperia ArcThe Sony Ericsson Xperia arc is an Android smartphone from Sony Ericsson. It was launched on April 1st, 2011 in Europe. The Xperia arc has a touch-screen, the mobile BRAVIA engine which optimises the picture and runs at a resolution of 854×480 pixels, a 1 GHz Qualcomm Snapdragon processor,...
, a cellphone
See also
- Ark (disambiguation)
- Arch (disambiguation)Arch (disambiguation)An arch is a curved structure capable of spanning a space while supporting significant weight. It may also refer to the act of arching, or curving, an object such as the human back.Arch may also refer to:*Gateway Arch, an iconic monument in St...
- ARCS (disambiguation)
- ARRC (disambiguation)