electric arc

(redirected from Arc (electricity))
Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to Arc (electricity): Electric arc furnace

electric arc

n.
A luminous discharge of current that is formed when a strong current jumps a gap in a circuit or between two electrodes.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.electric arc - electrical conduction through a gas in an applied electric fieldelectric arc - electrical conduction through a gas in an applied electric field
brush discharge - discharge between electrodes creating visible streamers of ionized particles
corona discharge, corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, corona - an electrical discharge accompanied by ionization of surrounding atmosphere
flashover - an unintended electric discharge (as over or around an insulator)
electrical conduction - the passage of electricity through a conductor