electric arc

Synonyms:

arc, discharge, electric discharge, spark

Types:

brush discharge

discharge between electrodes creating visible streamers of ionized particles

Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, corona, corona discharge, corposant, electric glow

an electrical discharge accompanied by ionization of surrounding atmosphere

flashover

an unintended electric discharge (as over or around an insulator)

Type of:

electrical conduction

the passage of electricity through a conductor