Found 2 items, similar to Electric arc.
English → English (WordNet) Definition: electric arc electric arc n : electrical conduction through a gas in an applied electric field [syn: discharge, spark, arc, electric discharge ]
English → English (gcide) Definition: 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]