Arc

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 (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 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 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 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, a continental arc of Africa
• Volcanic 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
• 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), a Lisp dialect designed by Paul Graham
• Arc (web browser), a freeware web browser developed by The Browser Company
• Sony Ericsson Xperia Arc, a cellphone
• Audio Return Channel, an audio technology working over HDMI
• Authenticated Received Chain, an email authentication system
• Arc lamp, a lamp that produces light by an electric arc
  • Xenon arc lamp, 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, 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
• Arc, one side (half) of an arch

Other science

• Electric arc, 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, an optical phenomenon
• Circumzenithal arc, 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

Video games

• Arc System Works, 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
• Armored Response Coalition, a fictional military/resistance organization seen in the 2020 video game Doom Eternal

Other arts and entertainment

• Tilted Arc, a controversial public art installation by Richard Serra
• Arc Poetry Magazine, a Canadian literary journal
• Character arc, 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 639-3 language code of the Official Aramaic language, spoken between 700 BCE and 300 BCE

Companies and organizations

• Arc Infrastructure, an Australian railway company
• 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
• Les Arcs, Var, a town in southern France
• 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), a major greyhound race in the Greyhound Board of Great Britain calendar

See also

• Joan of Arc (c. 1412–1431), national heroine of France and Catholic saint
• ARC (disambiguation)
• Arc Angel (disambiguation)
• Arc reactor (disambiguation)
• Arch (disambiguation)
• Arch of Triumph (disambiguation)
• Ark (disambiguation)
• ARQ (disambiguation)