- The definition of an arc is a curve or bowed shape, like a part of a circle.
An example of an arc is a rainbow.
- To arc is defined as to make a curved shape or move in a curved path.
An example of arc is the way stars move across the sky.
The girders of a suspension bridge form an arc.
- Historical the part of a circle that is the apparent path of a heavenly body above and below the horizon
- a bowlike curved line or object
- Elec. the band of sparks or incandescent light formed when an electric discharge is conducted from one electrode or conducting surface to another, characterized by relatively high current and low potential difference between electrodes
- any part of a curve, esp. of a circle
- the angular measurement of this
Origin of arcMiddle English ark ; from Old French arc ; from Classical Latin arcus, a bow, arch ; from Indo-European base an unverified form arqu-, bowed, curved from source arrow
- Something shaped like a curve or arch: the vivid arc of a rainbow.
- Mathematics A segment of a circle.
- An electric arc.
- Astronomy The apparent path of a celestial body as it rises above and falls below the horizon.
- A progression of events suggesting narrative cohesion, especially one that rises to a climax and settles to a final conclusion.
intransitive verbarced arced , arc·ing , arcs
- To form an arc.
- To move or seem to move in a curved path: the stars that arc across the sky.
Origin of arcMiddle English ark, from Old French arc, from Latin arcus.
- AIDS-related complex
- American Red Cross
- (astronomy) That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon. [from 14th c.]
- (geometry) A continuous part of the circumference of a circle (circular arc) or of an other curve. [from 16th c.]
- A curve, in general. [from 17th c.]
- A band contained within parallel curves, or something of that shape. [from 17th c.]
- (electrics) A flow of current across an insulating medium; especially a hot, luminous discharge between either two electrodes or as lightning. [from 19th c.]
- A story arc. [from 20th c.]
- (mathematics) A continuous mapping from a real interval (typically [0, 1]) into a space.
- (graph theory) A directed edge.
(third-person singular simple present arcs, present participle arcing or arcking, simple past and past participle arced or arcked)
- (intransitive) To move following a curved path.
- (intransitive) To form an electrical arc.
arc - Computer Definition
(1) (Audio Return Channel) See HDMI ARC.
(2) PC compression programs from System Enhancement Associates, Inc., Clifton, NJ. ARC was one of the first compression utilities to become popular in the early 1980s. ARC+Plus provides enhanced features and speed.
(3) The ARC extension was previously used by PKWARE Inc. in its PKARC program.
(4) (Advanced RISC Computing) An earlier open system specification based on the MIPS R3000 and R4000 CPUs. It included EISA and TURBOchannel buses.