Electric arc

Electric arc
Arc Arc, n. [F. arc, L. arcus bow, arc. See {Arch}, n.] 1. (Geom.) A portion of a curved line; as, the arc of a circle or of an ellipse. [1913 Webster]

2. A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant. [1913 Webster]

3. An arch. [Obs.] [1913 Webster]

Statues and trophies, and triumphal arcs. --Milton. [1913 Webster]

4. The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night. [1913 Webster]

{Electric arc}, {Voltaic arc}. See under {Voltaic}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • electric-arc furnace — noun an electric furnace in which an electric arc provides the source of heat for making steel • Syn: ↑Stassano furnace • Hypernyms: ↑electric furnace • Part Holonyms: ↑steel mill, ↑steelworks, ↑steel plant, ↑ …   Useful english dictionary

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