Arc may refer to:

Mathematics

* Arc (geometry), a segment of a differentiable curve **

Circular arc Circular may refer to: * The shape of a circle * ''Circular'' (album), a 2006 album by Spanish singer Vega * Circular letter (disambiguation) ** Flyer (pamphlet), a form of advertisement * Circular reasoning, a type of logical fallacy * Circular ...

, a segment of a circle * Arc (topology), a segment of a path *

Arc length ARC may refer to: Business * Aircraft Radio Corporation, a major avionics manufacturer from the 1920s to the '50s * Airlines Reporting Corporation, an airline-owned company that provides ticket distribution, reporting, and settlement services * ...

, the distance between two points along a section of a curve *

Arc (projective geometry) An (''simple'') arc in finite projective geometry is a set of points which satisfies, in an intuitive way, a feature of ''curved'' figures in continuous geometries. Loosely speaking, they are sets of points that are far from "line-like" in a plan ...

, a particular type of set of points of a projective plane *

arc (function prefix) In mathematics, the inverse trigonometric functions (occasionally also called arcus functions, antitrigonometric functions or cyclometric functions) are the inverse functions of the trigonometric functions (with suitably restricted domains). Spec ...

(arcus), a prefix for inverse trigonometric functions * Directed arc, a

directed edge In mathematics, and more specifically in graph theory, a directed graph (or digraph) is a graph that is made up of a set of vertices connected by directed edges, often called arcs. Definition In formal terms, a directed graph is an ordered pai ...

in graph theory * Minute and second of arc, a unit of angular measurement equal to 1/60 of one degree. *

Wild arc In geometric topology, a wild arc is an embedding of the unit interval into 3-dimensional space not equivalent to the usual one in the sense that there does not exist an ambient isotopy taking the arc to a straight line segment. found the firs ...

, a concept from geometric topology

Science and technology

Geology

* Arc, in geology a

mountain chain A mountain chain is a row of high mountain summits, a linear sequence of interconnected or related mountains,Whittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, p 87. . or a contiguous ridge of mountains within a larger m ...

configured as an arc due to a common orogeny along a plate margin or the effect of back-arc extension **

Hellenic arc The Hellenic arc or Aegean arc is an arcuate mountain chain of the southern Aegean Sea located on the southern margin of the Aegean Sea Plate. Geologically it results from the subduction of the African Plate under it along the Hellenic subductio ...

, the arc of islands positioned over the Hellenic Trench in the Aegean Sea off Greece * Back-arc basin, a subsided region caused by back-arc extension *

Back-arc region The back-arc region is the area behind a volcanic arc. In island volcanic arcs, it consists of back-arc basins of oceanic crust with abyssal depths, which may be separated by remnant arcs, similar to island arcs. In continental arcs, the back- ...

, the region created by back-arc extension, containing all the basins, faults, and volcanoes generated by the extension *

Island arc Island arcs are long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries. Most island arcs originate on oceanic crust and have resulted from the descent of the lithosphere into the mantle alon ...

, an arc-shaped archipelago, usually so configured for geologic causes, such as sea-floor spreading, common orogeny on the margin of the same plate, or back-arc extension ** Northeastern Japan Arc, an island arc **

Banda Arc The Banda Arc (main arc, Inner, and Outer) is a set of island arcs in eastern Indonesia. It is the result of the collision of a continent and an intra-oceanic island arc. The presently active arc is located on what appears to be oceanic crust whe ...

, a set of island arcs in Indonesia *

Continental arc A continental arc is a type of volcanic arc occurring as an "arc-shape" topographic high region along a continental margin. The continental arc is formed at an active continental margin where two tectonic plates meet, and where one plate has cont ...

, in geology a continental mountain chain or parallel alignment of chains (as opposed to island arcs), configured in an arc **

Eastern Arc Mountains The Eastern Arc Mountains is a chain of mountains found in Kenya and Tanzania. The chain runs from northeast to southwest, with the Taita Hills being in Kenya and the other ranges being in Tanzania. They are delimited on the southwest by the fau ...

, a continental arc of Africa *

Volcanic arc A volcanic arc (also known as a magmatic arc) is a belt of volcanoes formed above a subducting oceanic tectonic plate, with the belt arranged in an arc shape as seen from above. Volcanic arcs typically parallel an oceanic trench, with the arc lo ...

, a chain of volcanoes positioned in an arc shape as seen from above **

Aleutian Arc The Aleutian Arc is a large volcanic arc in the U.S. state of Alaska. It consists of a number of active and dormant volcanoes that have formed as a result of subduction along the Aleutian Trench. Although taking its name from the Aleutian Islan ...

, a large volcanic arc in the U.S. state of Alaska * Nastapoka arc, a circular coastline in Hudson Bay

Technology

* arc, the command-line interface for

ArcInfo ArcInfo (formerly ARC/INFO) is a full-featured geographic information system produced by Esri, and is the highest level of licensing (and therefore functionality) in the ArcGIS Desktop product line. It was originally a command-line based system. ...

ARC (file format) ARC is a lossless data compression and archival format by System Enhancement Associates (SEA). The file format and the program were both called ARC. The format is known as the subject of controversy in the 1980s, part of important debates over w ...

, a file name extension for archive files *

ARC (processor) ARC (Argonaut RISC Core) embedded system processors are a family of 32-bit and 64-bit reduced instruction set computer (RISC) central processing units (CPUs) originally designed by ARC International. ARC processors are configurable and extensi ...

, 32-bit RISC architecture * ARC (adaptive replacement cache), a page replacement algorithm for high-performance filesystems *

Arc (programming language) Arc is a programming language, a dialect of the language Lisp, developed by Paul Graham and Robert Morris. It is free and open-source software released under the Artistic License 2.0. History In 2001, Paul Graham announced that he was working ...

, a Lisp dialect designed by Paul Graham *

Arc (Internet browser) Arc may refer to: Mathematics * Arc (geometry), a segment of a differentiable curve ** Circular arc, a segment of a circle * Arc (topology), a segment of a path * Arc length, the distance between two points along a section of a curve * Arc (pro ...

, a new generation of Internet browser currently developed by Darin Fisher of

The Browser Company ''The'' () is a grammatical article in English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the ...

* Sony Ericsson Xperia Arc, a cellphone *

Audio Return Channel High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller ...

, an audio technology working over HDMI *

Authenticated Received Chain Authenticated Received Chain (ARC) is an email authentication system designed to allow an intermediate mail server like a mailing list or forwarding service to sign an email's original authentication results. This allows a receiving service to valid ...

, an email authentication system * Arc lamp, a lamp that produces light by an electric arc **

Xenon arc lamp A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure. It produces a bright white light to simulate sunlight, with application ...

, a highly specialized type of gas discharge lamp **

Deuterium arc lamp A deuterium arc lamp (or simply deuterium lamp) is a low-pressure gas-discharge light source often used in spectroscopy when a continuous spectrum in the ultraviolet region is needed. Plasma "arc" or discharge lamps using hydrogen are notable ...

, a low-pressure gas-discharge light source **

Hydrargyrum medium-arc iodide lamp Hydrargyrum medium-arc iodide (HMI) is the trademark name of Osram's brand of metal-halide gas discharge medium arc-length lamp, made specifically for film and entertainment applications. ''Hydrargyrum'' comes from the Greek name for the elemen ...

, the trademark name of Osram's brand of metal-halide gas discharge medium arc-length lamp *

Electric arc furnace An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to ...

, a furnace that heats charged material by means of an electric arc *

Arc welding Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when cool, result in a binding of the metals. It is a type of welding that uses a welding powe ...

, a welding process that is used to join metal to metal *

Arc-fault circuit interrupter An arc-fault circuit interrupter (AFCI) or arc-fault detection device (AFDD) is a circuit breaker that breaks the circuit when it detects the electric arcs that are a signature of loose connections in home wiring. Loose connections, which can dev ...

, a specialized circuit breaker *

Arc converter The arc converter, sometimes called the arc transmitter, or Poulsen arc after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of spark transmitter used in early wireless telegraphy. The arc converter used an electric arc ...

, a spark transmitter *

Intel Arc Intel Arc is a brand of graphics processing units designed by Intel. These are discrete GPUs mostly marketed for the high-margin PC gaming market. The brand also covers Intel's consumer graphics software and services. Intel Arc is competing wi ...

, brand of graphics processing units designed by Intel

Other science

Electric arc An electric arc, or arc discharge, is an electrical breakdown of a gas that produces a prolonged electrical discharge. The current through a normally nonconductive medium such as air produces a plasma; the plasma may produce visible light. An ...

, an ongoing plasma discharge (an electric current through a gas), producing light and heat * Arc flash, the light and heat produced as part of an arc fault *

Arc (protein) Activity-regulated cytoskeleton-associated protein is a plasticity protein that in humans is encoded by the ''ARC'' gene. It was first characterized in 1995. ''ARC'' is a member of the immediate-early gene (IEG) family, a rapidly activated cl ...

, a name of product of an immediate early gene, also called Arg3.1 *

Reflex arc A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons w ...

, a neural pathway that controls a reflex *

Circumhorizontal arc A circumhorizontal arc is an optical phenomenon that belongs to the family of ice halos formed by the refraction of sunlight or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in cirrus or cirrostratus clouds. In ...

, an optical phenomenon * Circumzenithal arc, an optical phenomenon

Arts and entertainment

Music

The Arcs The Arcs are an American garage rock band formed by Dan Auerbach, the guitarist and vocalist of the Black Keys. The band consists of Auerbach, Leon Michels, Nick Movshon, Homer Steinweiss, and formerly Richard Swift, who died in 2018. They rel ...

, an American garage rock band formed by Dan Auerbach in 2015 * ''A.R.C.'' (album), by pianist Chick Corea with bassist David Holland and drummer Barry Altschul recorded in 1971 * ''Arc'' (Neil Young & Crazy Horse album), 1991 * ''Arc'' (Everything Everything album), 2013 * ''Arc'' (EP), a 2016 EP by Agoraphobic Nosebleed * "Arc", a song by Pearl Jam from '' Riot Act''

Video games

Arc System Works , commonly referred to as ArcSys, is a Japanese video game developer and publisher located in Yokohama. Founded by Minoru Kidooka in 1988, the company is known for arcade 2D fighting game franchises, including ''Guilty Gear'' and ''BlazBlue'', a ...

, a video game developer *

Luminous Arc ''Luminous Arc'' is a series of tactical role-playing video games originally developed by Imageepoch, prior to the company's bankruptcy. The series began with the 2007 release of '' Luminous Arc'' for the Nintendo DS, with its most recent game bei ...

, a video game series * The title character of ''

Arc the Lad is a series of tactical role-playing games created by Toshiro Tsuchida and published by Sony Interactive Entertainment. Each ''Arc the Lad'' game often features recurring characters and locations, as well as a consistent timeline. Most of the ...

'', a series of role-playing video games for the PlayStation and PlayStation 2

Other arts and entertainment

Tilted Arc ''Tilted Arc'' was a controversial public art installation by Richard Serra, displayed in Foley Federal Plaza in Manhattan from 1981 to 1989. It consisted of a 120-foot-long, 12-foot-high solid, unfinished plate of rust-covered COR-TEN steel. ...

, a controversial public art installation by Richard Serra * '' Arc Poetry Magazine'', a Canadian literary journal *

Character arc A character arc is the transformation or inner journey of a character over the course of a story. If a story has a character arc, the character begins as one sort of person and gradually transforms into a different sort of person in response to c ...

, the status of a character as it unfolds throughout the story *

Story arc A story arc (also narrative arc) is the chronological construction of plot in a novel or story. It can also mean an extended or continuing storyline in episodic storytelling media such as television, comic books, comic strips, board games, vid ...

, an extended or continuing storyline * Arcs, one of the twelve basic principles of animation

Codes

Arcata Transit Center The Arcata Transit Center is a bus station in Arcata, California. It is located at 925 E Street, between 9th and 10th Streets. The center is served by six fixed-route local and inter-city transit services. Arcata and Mad River Transit System of ...

, Amtrak code for the station in Arcata, California * IATA airport code of

Arctic Village Airport Arctic Village Airport is a public use airport located one nautical mile (1.8 km) southwest of the central business district of Arctic Village, a Native American village in the Yukon-Koyukuk Census Area of the U.S. state of Alaska. It is ...

, a public use airport in Alaska * ISO 639-2 and -5 language code of the Aramaic language, a Semitic language * ISO 639-3 language code of the Official Aramaic language, spoken between 700 BCE and 300 BCE

Companies and organizations

Arc International Arc Holdings is the holding company of the Arc Group, specializing in the design and manufacturing of glass tableware. The Arc Group markets its collections in France and exports them abroad under the registered trademarks Luminarc, Arcopal, Cr ...

, a French manufacturer and distributor of household goods *

Arc Publications Arc Publications, also known as Arc, is an independent publishing house in the UK, publishing contemporary poetry from new and established writers from the UK and abroad, specialising in the work of international poets writing in English and the ...

, a UK independent publisher of poetry * Arc @ UNSW, the principal student organisation at the University of New South Wales *

Arc of the United States The Arc of the United States is an organization serving people with intellectual and developmental disabilities. The organization was founded in the 1950s by parents of people with developmental disabilities. Since then, the organization has estab ...

, a charitable organization serving people with intellectual and developmental disabilities * Arc Holdings, a French manufacturer of household goods

Places

Arc (Provence) The Arc is an long river in Southern France. It arises at an elevation of , close to the village of Pourcieux. It then passes through Aix-en-Provence before flowing into the Étang de Berre, a lagoon connected with the Mediterranean Sea to the w ...

, a river of southern France, flowing into the Étang de Berre *

Arc (Savoie) The Arc () is a river in the Savoie département of south-eastern France. It is a left tributary of the Isère, which it joins at Chamousset, approximately downstream from Albertville. Its source is near the border with Italy, in the Graian Alp ...

, a river of eastern France, tributary of the Isère river * Les Arcs, a ski resort in the French Alps * Arc, short for "Arcade"; a Street suffix as used in the US

Other uses

* Arc (Bahá'í), a number of administrative buildings for the Bahá'í Faith, located on Mount Carmel in Israel *

Arc (greyhounds) Venues & Distances *1987-2008 (Walthamstow, 475m) *2007-2017 (Swindon, 480m) Sponsors *1994-1994 Racing Post *1998-1998 UK Packaging *2009-2009 Blue Square *2010-2010 Betfair *2012-2012 Ladbrokes *2013-2014 Pin Point Recruitment *2015-2017 Ca ...

, a major greyhound race in the Greyhound Board of Great Britain calendar