arc definition |Dictionary.com

Synonyms of arc

arch, azimuth, bend, bow, curve, halfmoon, halo, orbit, rainbow, angle, arch, bow

Arc

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17 dictionary results for: arc

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

arc

[ahrk] Pronunciation Key noun, verb, arced

[ahrkt] Pronunciation Key or arcked, arc·ing

[ahr-king] Pronunciation Key or arck·ing.

–noun

1.	Geometry. any unbroken part of the circumference of a circle or other curved line.

2.	Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes. Compare spark¹ (def. 2).

3.	Astronomy. the part of a circle representing the apparent course of a heavenly body.

4.	anything bow-shaped.

–verb (used without object)

5.	to form an electric arc.

6.	to move in a curve suggestive of an arc.

[Origin: 1350–1400; ME ark < L arcus bow, arch, curve

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

ARC

[ahrk] Pronunciation Key

–noun

Pathology. AIDS-related complex.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

ARC

American Red Cross.

Also, A.R.C.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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American Heritage Dictionary - Cite This Source - Share This

arc (ärk) Pronunciation Key
n.

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.

intr.v. arced (ärkt), arc·ing (är'kĭng), arcs

To form an arc.
To move or seem to move in a curved path: the stars that arc across the sky.

[Middle English ark, from Old French arc, from Latin arcus.]

(Download Now or Buy the Book)
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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American Heritage Dictionary - Cite This Source - Share This

ARC¹ (ärk) Pronunciation Key
n. A combination of symptoms, including fever, lymphadenopathy, blood abnormalities, and susceptibility to opportunistic infections that is a precursor to AIDS in some individuals infected with HIV.

[A(IDS)-r(elated) c(omplex).]

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American Heritage Dictionary - Cite This Source - Share This

ARC²
abbr. American Red Cross

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Online Etymology Dictionary - Cite This Source - Share This
arc

c.1386, from O.Fr. arc, from L. arcus "a bow, arch," from PIE base *arqu- "bowed, curved" (cf. Goth. arhvazna "arrow," O.E. earh, O.N. ör). Electrical sense is from 1821.

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WordNet - Cite This Source - Share This

arc
noun
1.	electrical conduction through a gas in an applied electric field [syn: discharge]
2.	a continuous portion of a circle
3.	something curved in shape [syn: bow]
verb
1.	form an arch or curve; "her back arches"; "her hips curve nicely" [syn: arch]

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The American Heritage Science Dictionary - Cite This Source - Share This

arc (ärk) Pronunciation Key

A segment of a circle.
See electric arc.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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Free On-line Dictionary of Computing - Cite This Source - Share This

ARC
Advanced RISC Computing Specification

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Free On-line Dictionary of Computing - Cite This Source - Share This

arc
1. An old archive format for IBM PC. The format is now so obscure that it is only likely to be supported by jack-of-all-trades decompression programs such as WINZIP.
2. An edge in a tree. "branch" is a generally more common synonym.
(1998-12-29)

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U.S. Gazetteer - Cite This Source - Share This

Bois D Arc, MO Zip code(s): 65612

Des Arc, AR (city, FIPS 18550) Location: 34.97568 N, 91.50517 W
Population (1990): 2001 (848 housing units)
Area: 5.0 sq km (land), 0.0 sq km (water)
Zip code(s): 72040

Des Arc, MO (village, FIPS 19198) Location: 37.28419 N, 90.63495 W
Population (1990): 173 (85 housing units)
Area: 0.5 sq km (land), 0.0 sq km (water)
Zip code(s): 63636

U.S. Gazetteer, U.S. Census Bureau

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Arc

Arc\, n. [F. arc, L. arcus bow, arc. See Arch, n.]

1. (Geom.) A portion of a curved line; as, the arc of a circle or of an ellipse.

2. A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.

3. An arch. [Obs.]

Statues and trophies, and triumphal arcs. --Milton.

4. The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.

Electric arc, Voltaic arc. See under Voltaic.

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Arc

Arch\, n. [F. arche, fr. LL. arca, for arcus. See Arc.]

1. (Geom.) Any part of a curved line.

2. (Arch.) (a) Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed. (b) A flat arch is a member constructed of stones cut into wedges or other shapes so as to support each other without rising in a curve.

Note: Scientifically considered, the arch is a means of spanning an opening by resolving vertical pressure into horizontal or diagonal thrust.

3. Any place covered by an arch; an archway; as, to pass into the arch of a bridge.

4. Any curvature in the form of an arch; as, the arch of the aorta. "Colors of the showery arch." --Milton.

Triumphal arch, a monumental structure resembling an arched gateway, with one or more passages, erected to commemorate a triumph.

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American Heritage Abbreviations Dictionary 3rd Edition - Cite This Source - Share This

arc
archive

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American Heritage Abbreviations Dictionary 3rd Edition - Cite This Source - Share This

ARC

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

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Acronym Finder - Cite This Source - Share This

ARC

ARC: in Acronym Finder

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