Arc may refer to:

Mathematics

Arc (geometry) In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight. Intuitively, a curve may be thought of as the trace left by a moving point. This is the definition that a ...

, a segment of a differentiable curve ** Circular arc, a segment of a circle *

Arc (topology) In mathematics, a path in a topological space X is a continuous function from the closed unit interval , 1/math> into X. Paths play an important role in the fields of topology and mathematical analysis. For example, a topological space for wh ...

, 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), a particular type of set of points of a projective plane * arc (function prefix) (arcus), a prefix for inverse trigonometric functions * Directed arc, a directed edge in graph theory *

Minute and second of arc A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol , is a unit of angular measurement equal to of one degree. Since one degree is of a turn (or complete rotation), one minute of arc is of a turn. The na ...

, a unit of angular measurement equal to 1/60 of one degree. * Wild arc, 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 arc of islands positioned over the Hellenic Trench in the Aegean Sea off Greece *

Back-arc basin A back-arc basin is a type of geologic basin, found at some convergent plate boundaries. Presently all back-arc basins are submarine features associated with island arcs and subduction zones, with many found in the western Pacific Ocean. Most of ...

, a subsided region caused by back-arc extension * Back-arc region, the region created by back-arc extension, containing all the basins, faults, and volcanoes generated by the extension * Island arc, 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, a set of island arcs in Indonesia * Continental arc, 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, a large volcanic arc in the U.S. state of Alaska *

Nastapoka arc The Nastapoka arc is a distinctively arcuate segment of the coastline of the southeastern shore of Hudson Bay in Quebec, Canada, that extends from the most northerly of the Hopewell Islands to Long Island near the junction with James Bay. It is ...

, 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. T ...

* ARC (file format), a file name extension for archive files * ARC (processor), 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 (pr ...

, 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 m ...

* Sony Ericsson Xperia Arc, a cellphone * Audio Return Channel, an audio technology working over HDMI * Authenticated Received Chain, an email authentication system *

Arc lamp An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). The carbon arc light, which consists of an arc between carbon electrodes in air, invented by Humphry Davy in the first decade of the 1800s, ...

, 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 applications ...

, 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 fo ...

, a low-pressure gas-discharge light source ** Hydrargyrum medium-arc iodide lamp, the trademark name of Osram's brand of metal-halide gas discharge medium arc-length lamp * Electric arc furnace, a furnace that heats charged material by means of an electric arc * Arc welding, a welding process that is used to join metal to metal * Arc-fault circuit interrupter, a specialized circuit breaker * Arc converter, a spark transmitter * Intel Arc, 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 electric current, current through a normally Electrical conductance, nonconductive medium such as air produces a plasma (p ...

, 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 class ...

, a name of product of an immediate early gene, also called Arg3.1 * Reflex arc, a neural pathway that controls a reflex * Circumhorizontal arc, an optical phenomenon *

Circumzenithal arc The circumzenithal arc, also called the circumzenith arc (CZA), upside-down rainbow, and the Bravais arc,"Mémoire sur les halos et les phénomènes optiques qui les accompagnent", J. de l' École Royale Polytechnique 31(18), 1-270, A. Bravais, ...

, an optical phenomenon

Arts and entertainment

Music

* The Arcs, 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 The Riot Act (1 Geo.1 St.2 c.5), sometimes called the Riot Act 1714 or the Riot Act 1715, was an act of the Parliament of Great Britain which authorised local authorities to declare any group of 12 or more people to be unlawfully assembled and o ...

Video games

* Arc System Works, a video game developer *

Luminous Arc ''Luminous Arc'' is a series of Tactical role-playing game, 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 (video game), Luminous Arc ...

, a video game series * The title character of '' Arc the Lad'', 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 ''Arc Poetry Magazine'' is a triannual literary magazine established in 1978, publishing poetry and prose about poetry. History ''Arc'' was started in 1978 by Carleton University professors Christopher Levenson, Michael Gnarowski and Tom Henigh ...

'', 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 ch ...

, the status of a character as it unfolds throughout the story * Story arc, an extended or continuing storyline * Arcs, one of the twelve basic principles of animation

Codes

* Arcata Transit Center, Amtrak code for the station in Arcata, California * IATA airport code of Arctic Village Airport, a public use airport in Alaska * ISO 639-2 and -5 language code of the

Aramaic language The Aramaic languages, short Aramaic ( syc, ܐܪܡܝܐ, Arāmāyā; oar, 𐤀𐤓𐤌𐤉𐤀; arc, 𐡀𐡓𐡌𐡉𐡀; tmr, אֲרָמִית), are a language family containing many varieties (languages and dialects) that originated in ...

, a Semitic language * ISO 639-3 language code of the

Official Aramaic language Imperial Aramaic is a linguistic term, coined by modern scholars in order to designate a specific historical variety of Aramaic language. The term is polysemic, with two distinctive meanings, wider (sociolinguistic) and narrower (dialectologic ...

, spoken between 700 BCE and 300 BCE

Companies and organizations

* Arc International, 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 University of New South Wales (UNSW), also known as UNSW Sydney, is a public research university based in Sydney, New South Wales, Australia. It is one of the founding members of Group of Eight, a coalition of Australian research-intensiv ...

, 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 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 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 we ...

, a river of southern France, flowing into the Étang de Berre * Arc (Savoie), a river of eastern France, tributary of the Isère river *

Les Arcs Les 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, it is a part of the huge Paradiski system which is under ownership by Compagnie des A ...

, a ski resort in the French Alps * Arc, short for "Arcade"; a

Street suffix A street suffix is the part of a street or road name that describes what type of road it is. Examples include "street", "avenue", "lane", "highway", and "drive". As they are commonly repeated between roads, they are often Abbreviation, abbreviat ...

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