corona discharge

名词 corona discharge:

1. an electrical discharge accompanied by ionization of surrounding atmosphere
   同义词：corona, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow

1. A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.
   电晕在电晕放电中在高压电极出现的一种微弱光辉，常伴随有朝向低压电极的电流