'ARC': [ˌeɪɑːˈsiː]; 'arc': ['ɑːk]
WordReference Random House Learner's Dictionary of American English © 2019
arc /ɑrk/USA pronunciation
n. WordReference Random House Unabridged Dictionary of American English © 2019
v. [no object]
- Mathematicsany unbroken part of the circumference of a circle:an arc of twenty degrees.
- something curved or arched like a bow.
- Electricitythe light formed in a gap between two electrodes when electricity flows through them:the arc of the light bulb.
ARC or A.R.C.,
an abbreviation of:
- Electricityto form an electric arc:The current arced across the electrodes.
- to move in a curved line:The ball arced through the air.
- American Red Cross.
(ärk),USA pronunciation n., v., arced (ärk),USA pronunciation or arcked, arc•ing
(ärk),USA pronunciation or arck•ing. ARC
Pathology, n. See AIDS-related complex.
ARC, American Red Cross.Also, A.R.C.
- Mathematics[Geom.]any unbroken part of the circumference of a circle or other curved line.
- ElectricityAlso called electric arc. a luminous bridge formed in a gap between two electrodes. Cf. spark1 (def. 2).
- Astronomythe part of a circle representing the apparent course of a heavenly body.
- anything bow-shaped.
- Electricityto form an electric arc.
- to move in a curve suggestive of an arc.
- Latin arcus bow, arch, curve
- Middle English ark 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers::
arc /ɑːk/ n
vb (arcs, arcing, arced, arcs, arcking, arcked)
- 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
- a section of a curve, graph, or geometric figure
- (intransitive) to form an arc
Etymology: 14th Century: from Old French, from Latin arcus bow, arch
- specifying an inverse trigonometric function: usually written arcsin, arctan, arcsec, etc, or sometimes sin–1, tan–1, sec–1, etc
ARC abbreviation 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' also found in these entries: