English noun: corona discharge | |||
1. | corona discharge (phenomenon) an electrical discharge accompanied by ionization of surrounding atmosphere | ||
Synonyms | corona, corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire | ||
Broader (hypernym) | arc, discharge, electric arc, electric discharge, spark | ||