arc definition, arc meaning | English dictionary

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arc

  

      n  
1    something curved in shape  
2    part of an unbroken curved line  
3    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  
4      (Astronomy)   a circular section of the apparent path of a celestial body  
5      (Maths)   a section of a curve, graph, or geometric figure  
      vb   , arcs, arcing, arced, arcs, arcking, arcked  
6    intr   to form an arc  
      prefix  
7      (Maths)   specifying an inverse trigonometric function: usually written arcsin, arctanh, arcsec, etc., or sometimes sin--1, tanh--1, sec--1, etc.  
     (C14: from Old French, from Latin arcus bow, arch)  


ARC  
      abbrev. for   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.  
arc-boutant     (French)  
      n   pl   , arcs-boutants      another name for       flying buttress  
Arc de Triomphe     (French)  
      n   the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805--6 and completed in 1836  
arc furnace  
      n   a furnace in which the charge is heated by an electric arc  
arc light  
      n   a light source in which an arc between two electrodes, usually carbon, produces intense white illumination,   (Also called)    arc lamp  
arc welding  
      n   a technique in which metal is welded by heat generated by an electric arc struck between two electrodes or between one electrode and the metal workpiece  
  arc welder      n  
carbon arc  
      n  
1   
a    an electric arc produced between two carbon electrodes, formerly used as a light source  
b    (as modifier)  
carbon-arc light     
2   
a    an electric arc produced between a carbon electrode and material to be welded  
b    (as modifier)  
carbon-arc welding     
electric-arc furnace  
      n      another name for       arc furnace  
electric-arc welding  
      n      another name for       arc welding  
flame-arc light  
      n     (Electrical engineering)   an arc light that uses flame carbons to colour the arc  
island arc  
      n   an arc-shaped chain of islands, such as the Aleutian Islands or the Japanese Islands, usually lying at the edge of a Benioff zone, indicating volcanic activity where the oceanic lithosphere is descending into the earth's interior  
Jeanne d'Arc  
      n      the French name of       Joan of Arc  
Joan of Arc  
      n   Saint known as the Maid of Orléans; French name Jeanne d'Arc. ?1412--31, French national heroine, who led the army that relieved Orléans in the Hundred Years' War, enabling Charles VII to be crowned at Reims (1429). After being captured (1430), she was burnt at the stake as a heretic. She was canonized in 1920. Feast day: May 30  
mercury arc  
      n  
a    an electric discharge through ionized mercury vapour, producing a brilliant bluish-green light containing ultraviolet radiation  
b    (as modifier)  
a mercury-arc rectifier         See also       ignitron  
reflex arc  
      n     (Physiol)   the neural pathway over which impulses travel to produce a reflex action, consisting of at least one afferent (receptor) and one efferent (effector) neuron  
submerged arc welding  
      n   a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen  
English Collins Dictionary - English Definition & Thesaurus  
Collins
ARC  
      abbrev. for   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.  


arc  
      n  
1    something curved in shape  
2    part of an unbroken curved line  
3    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  
4      (Astronomy)   a circular section of the apparent path of a celestial body  
5      (Maths)   a section of a curve, graph, or geometric figure  
      vb   , arcs, arcing, arced, arcs, arcking, arcked  
6    intr   to form an arc  
      prefix  
7      (Maths)   specifying an inverse trigonometric function: usually written arcsin, arctanh, arcsec, etc., or sometimes sin--1, tanh--1, sec--1, etc.  
     (C14: from Old French, from Latin arcus bow, arch)  
arc-boutant     (French)  
      n   pl   , arcs-boutants      another name for       flying buttress  
Arc de Triomphe     (French)  
      n   the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805--6 and completed in 1836  
arc furnace  
      n   a furnace in which the charge is heated by an electric arc  
arc light  
      n   a light source in which an arc between two electrodes, usually carbon, produces intense white illumination,   (Also called)    arc lamp  
arc welding  
      n   a technique in which metal is welded by heat generated by an electric arc struck between two electrodes or between one electrode and the metal workpiece  
  arc welder      n  
carbon arc  
      n  
1   
a    an electric arc produced between two carbon electrodes, formerly used as a light source  
b    (as modifier)  
carbon-arc light     
2   
a    an electric arc produced between a carbon electrode and material to be welded  
b    (as modifier)  
carbon-arc welding     
electric-arc furnace  
      n      another name for       arc furnace  
electric-arc welding  
      n      another name for       arc welding  
flame-arc light  
      n     (Electrical engineering)   an arc light that uses flame carbons to colour the arc  
island arc  
      n   an arc-shaped chain of islands, such as the Aleutian Islands or the Japanese Islands, usually lying at the edge of a Benioff zone, indicating volcanic activity where the oceanic lithosphere is descending into the earth's interior  
Jeanne d'Arc  
      n      the French name of       Joan of Arc  
Joan of Arc  
      n   Saint known as the Maid of Orléans; French name Jeanne d'Arc. ?1412--31, French national heroine, who led the army that relieved Orléans in the Hundred Years' War, enabling Charles VII to be crowned at Reims (1429). After being captured (1430), she was burnt at the stake as a heretic. She was canonized in 1920. Feast day: May 30  
mercury arc  
      n  
a    an electric discharge through ionized mercury vapour, producing a brilliant bluish-green light containing ultraviolet radiation  
b    (as modifier)  
a mercury-arc rectifier         See also       ignitron  
reflex arc  
      n     (Physiol)   the neural pathway over which impulses travel to produce a reflex action, consisting of at least one afferent (receptor) and one efferent (effector) neuron  
submerged arc welding  
      n   a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen  

English Collins Dictionary - English Definition & Thesaurus  

Collins

arc

  
  
arch, bend, bow, crescent, curve, half-moon  

English Collins Dictionary - English synonyms & Thesaurus  

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