Associate of the Royal College of Science.
Associate of the Royal College of Surgeons.
Geometry. any unbroken part of the circumference of a circle or other curved line.
Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes.
Compare 1 (def 2).
Astronomy. the part of a circle representing the apparent course of a heavenly body.
anything bow-shaped.
to form an .
to move in a curve suggestive of an arc.
Pathology, .
Contemporary Examples

Those episodes were great but they lacked some of the great things that happen when you let arcs grow.
‘Michael J. Fox Show’ Creator: We’re Not Canceled…Yet Kevin Fallon February 5, 2014

Historical Examples

In the employment of arcs of circles several methods of finding the necessary radius are found in practice.
Modern Machine-Shop Practice, Volumes I and II Joshua Rose

Secondly, “an ellipse or oval” is composed of four arcs of circles.
A Budget of Paradoxes, Volume II (of II) Augustus de Morgan

The profiles illustrated in the following drawings have this dominant element and are in no case composed of arcs of circles.
The Library of Work and Play: Home Decoration Charles Franklin Warner

That contained under three arcs of great circles of a sphere.
The Sailor’s Word-Book William Henry Smyth

A great piece of luck, they did beautifully: the rate of description of areas (not arcs) is uniform.
Pioneers of Science Oliver Lodge

They are made in sets of arcs of concentric circles (see fig. 80, A).
Bookbinding, and the Care of Books Douglas Cockerell

But at the Ends of the arcs they retain’d their Order unchanged.
Opticks Isaac Newton

These arcs have been made of both the open and enclosed type.
Artificial Light M. Luckiesh

A line through the center of a circle perpendicular to a chord bisects the chord and the arcs subtended by it.
The Teaching of Geometry David Eugene Smith

Associate of the Royal College of Science
something curved in shape
part of an unbroken curved line
a luminous discharge that occurs when an electric current flows between two electrodes or any other two surfaces separated by a small gap and a high potential difference
(astronomy) a circular section of the apparent path of a celestial body
(maths) a section of a curve, graph, or geometric figure
verb arcs, arcing, arced, arcs, arcking, arcked
(intransitive) to form an arc
(maths) specifying an inverse trigonometric function: usually written arcsin, arctan, arcsec, etc, or sometimes sin–1, tan–1, sec–1, etc
AIDS-related complex: an early condition in which a person infected with the AIDS virus may suffer from such mild symptoms as loss of weight, fever, etc

late 14c., originally in reference to the sun’s apparent motion in the sky, from Old French arc “bow, arch, vault” (12c.), from Latin arcus “a bow, arch,” from PIE root *arku- “bowed, curved” (cf. Gothic arhvazna “arrow,” Old English earh, Old Norse ör; also, via notion of “supple, flexible,” Greek arkeuthos, Latvian ercis “juniper,” Russian rakita, Czech rokyta, Serbo-Croatian rakita “brittle willow”). Electrical sense is from 1821.

1893, in the electrical sense, from arc (n.). Meaning “to move in an arc” attested by 1954. Related: Arced; arcing.

arc (ärk)
A curved line or segment of a circle.

ARC abbr.
AIDS-related complex

A segment of a circle.

See electric arc.

assessment and remediation of contaminated sediments
Addiction Research Center
advance readers copy
AIDS-related complex
amateur radio club
American Red Cross
[National Aeronautics and Space Administration] Ames Research Center
Appalachian Regional Commission


Read Also:

  • Arcsec

    noun 1/3600 of a degree of an angle

  • Arcss

    arcss Arctic System Science [Program]

  • Arcsin

    abbreviation arcsine: the function the value of which for a given argument between –1 and 1 is the angle in radians (between –π/2 and π/2), the sine of which is that argument: the inverse of the sine function

  • Arctan

    abbreviation arctangent: the function the value of which for a given argument is the angle in radians (between –π/2 and π/2) the tangent of which is that argument: the inverse of the tangent function

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