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.
to form an .
to move in a curve suggestive of an arc.
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
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.
A curved line or segment of a circle.
A segment of a circle.
See electric arc.
assessment and remediation of contaminated sediments
Addiction Research Center
advance readers copy
amateur radio club
American Red Cross
[National Aeronautics and Space Administration] Ames Research Center
Appalachian Regional Commission
noun 1/3600 of a degree of an angle
arcss Arctic System Science [Program]
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
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