名詞 corona discharge:

1. an electrical discharge accompanied by ionization of surrounding atmosphere
   同義詞：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.
   電暈在電暈放電中在高壓電極出現(xiàn)的一種微弱光輝，常伴隨有朝向低壓電極的電流