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 * Circula ...

, 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 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 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 mo ...

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 Subduction is a geological process in which the ocea ...

, 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 ...

, 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 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 alo ...

, 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 wh ...

, 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, 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 ...

, 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, 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) 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), a Lisp dialect designed by Paul Graham * Arc (Internet browser), a new generation of Internet browser currently developed by Darin Fisher of The Browser Company * 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 controlle ...

, an audio technology working over HDMI *

Authenticated Received Chain Authenticated Received Chain (ARC) is an email Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. Email was thus conceived as the electronic ( digital) version of, or c ...

, 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 applicat ...

, a highly specialized type of gas discharge lamp ** Deuterium arc lamp, 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 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 po ...

, 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 de ...

, a specialized circuit breaker * Arc converter, 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 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), a name of product of an immediate early gene, also called Arg3.1 * Reflex arc, 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. ...

, 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 ...

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 video game developer * 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'', 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 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, vide ...

, 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 i ...

, 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, a UK independent publisher of poetry * Arc @ UNSW, the principal student organisation at the University of New South Wales * Arc of the United States, a charitable organization serving people with intellectual and developmental disabilities * Arc Holdings, a French manufacturer of household goods

Places

* Arc (Provence), 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, 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 abbreviated; for exampl ...

as used in the US

Other uses

Arc (Bahá'í) 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 (p ...

, 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