Dictionary

1arc

noun \ˈärk\

: a line or shape that is curved like part of a circle

: a brightly glowing electric current that flows across an open space between two points (such as two electrodes)

Full Definition of ARC

1
:  the apparent path described above and below the horizon by a celestial body (as the sun)
2
a :  something arched or curved
b :  a curved path <the arc of a fly ball>
3
:  a sustained luminous discharge of electricity across a gap in a circuit or between electrodes; also :  arc lamp
4
:  a continuous portion (as of a circle or ellipse) of a curved line
5
:  degree measurement on the circumference of a circle —used especially in the phrase of arc <11 minutes 3 seconds of arc>
6
:  a continuous progression or line of development <a story's dramatic arc>

Examples of ARC

  1. He bent the twig into an arc.
  2. The ball floated in a high arc.

Origin of ARC

Middle English ark, from Anglo-French arc bow, from Latin arcus bow, arch, arc — more at arrow
First Known Use: 14th century

Other Electrical Engineering Terms

feedback, fuse, incandescent, noise, resonance

2arc

verb

: to move or lie in a curving path : to follow an arc-shaped course

: to form an electric arc

arced\ˈärkt\arc·ing \ˈär-kiŋ\

Full Definition of ARC

intransitive verb
1
:  to form an electric arc
2
:  to follow an arc-shaped course

Examples of ARC

  1. The arrow arced through the air.
  2. A light arced across the sky.
  3. The island chain arcs from north to south.

First Known Use of ARC

1893

Other Electrical Engineering Terms

feedback, fuse, incandescent, noise, resonance

3arc

adjective

Definition of ARC

:  inverse 2 —used with the trigonometric functions and hyperbolic functions

Origin of ARC

arc sine arc or angle (corresponding to the) sine (of so many degrees)
First Known Use: circa 1949

ARC

abbreviation

Definition of ARC

1
AIDS-related complex
2
American Red Cross

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic
ARCING Defined for Kids

1arc

noun \ˈärk\

Definition of ARC for Kids

1
:  a glowing light across a gap in an electric circuit or between electrodes
2
:  a part of a curved line between any two points on it

2arc

verb
arced \ˈärkt\arc·ing \ˈär-kiŋ\

Definition of ARC for Kids

1
:  to form an electric arc
2
:  to follow a curved course <A missile arced across the sky.>
Medical Dictionary

arc

noun \ˈärk\

Medical Definition of ARC

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

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June 30, 2015
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