- Geometry. any unbroken part of the circumference of a circle or other curved line.
- Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes.Compare spark1(def 2).
- Astronomy. the part of a circle representing the apparent course of a heavenly body.
- anything bow-shaped.
- to form an electric arc.
- to move in a curve suggestive of an arc.
Origin of arc
Examples from the Web for arced
Historical Examples of arced
Dennis roared again, pushed away and arced the knife at his throat.Ten From Infinity
Paul W. Fairman
He didn't even see the fist that arced upward and smashed into his jaw.By Proxy
Gordon Randall Garrett
John Andrew yelled at him as he arced forward, but it was too late.Stairway to the Stars
The Nipe arced backwards in a half-somersault and landed flat on his back.Anything You Can Do
Gordon Randall Garrett
As it rose, it grew perceptibly larger, to dwindle again as it arced over the western horizon.
- 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
- astronomy a circular section of the apparent path of a celestial body
- maths a section of a curve, graph, or geometric figure
- (intr) to form an arc
- maths specifying an inverse trigonometric function: usually written arcsin, arctan, arcsec, etc, or sometimes sin –1, tan –1, sec –1, etc
Word Origin for arc
- 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
late 14c., originally in reference to the sun's apparent motion in the sky, from Old French arc "bow, arch, vault" (12c.), from Latin arcus "a bow, arch," from PIE root *arku- "bowed, curved" (cf. Gothic arhvazna "arrow," Old English earh, Old Norse ör; also, via notion of "supple, flexible," Greek arkeuthos, Latvian ercis "juniper," Russian rakita, Czech rokyta, Serbo-Croatian rakita "brittle willow"). Electrical sense is from 1821.
1893, in the electrical sense, from arc (n.). Meaning "to move in an arc" attested by 1954. Related: Arced; arcing.
- A curved line or segment of a circle.
- AIDS-related complex
- A segment of a circle.
- See electric arc.