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arc

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arc

  [ahrk] noun, verb, arced  [ahrkt] or arcked, arc⋅ing  [ahr-king] or arck⋅ing.
Use arc in a Sentence
–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 spark 1 (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
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ARC

  [ahrk]
–noun
Pathology. AIDS-related complex.

ARC

 
American Red Cross.
Also, A.R.C.

AIDS-re⋅lat⋅ed com⋅plex

  [eydz-ri-ley-tid]
–noun
Pathology. a syndrome caused by the AIDS virus and characterized primarily by chronically swollen lymph nodes and persistent fever: sometimes a precursor of AIDS. Abbreviation: ARC

Arc, d'

  [dark]
–noun
Jeanne  [zhahn] . Joan of Arc.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To arc
arc   (ärk)   
n.  

  1. Something shaped like a curve or arch: the vivid arc of a rainbow.

  2. Mathematics A segment of a circle.

  3. An electric arc.

  4. 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

  1. To form an arc.

  2. 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.]
ARC 1   (ärk)   
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).]
ARC 2  
abbr.  American Red Cross
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

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.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: AIDS–related complex
Function: noun
: a group of symptoms (as fever, weight loss, and lymphadenopathy) that is associated with the presence ofantibodies to HIV and is followed by the development of AIDS in a certain proportion of cases —abbreviation ARC

Main Entry: arc
Pronunciation: 'ärk
Function: noun
1 : an arched or curved anatomical part, distance, or pathway —see REFLEX ARC
2 : a sustained luminous discharge of electricity across a gap in a circuit or between electrodes

Main Entry: ARC
Function: abbreviation
1 AIDS-related complex
2 American Red Cross
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

AIDS-related complex n.
Abbr. ARC
The early manifestations of AIDS in individuals who have not developed deficient immune function, characterized by fever, generalized lymphadenopathy, diarrhea, and weight loss.

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

ARC abbr.
AIDS-related complex

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
arc   (ärk)  Pronunciation Key 

  1. A segment of a circle.

  2. See electric arc.


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

ARC
Advanced RISC Computing Specification

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)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Abbreviations & Acronyms
arc
archive
ARC

  1. Addiction Research Center

  2. advance readers copy

  3. AIDS-related complex

  4. amateur radio club

  5. American Red Cross

  6. [National Aeronautics and Space Administration] Ames Research Center

  7. Appalachian Regional Commission

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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