electric arc
NounWordNet 3.0
Noun (1)
- electrical conduction through a gas in an applied electric fieldSynonyms: dischargesparkarcelectric arcelectric discharge
Webster's Dictionary (GCIDE)
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]