1. An electrical discharge accompanied by ionization of surrounding atmosphere
   - corona discharge, corona, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, electric glow

Type of: arc, discharge, electric arc, electric discharge, spark

• unsportingly
• unsportsmanlike
• unspotted
• unstable
• unstableness
• unstaged
• unstained
• unstaple
• unstarred
• prestigious
• prestigiousness
• prestissimo
• presto
• Preston
• prestressed
• presumable
• presumably
• presume
• presumption
• presumptive
• presumptively
• presumptuous
• presumptuously
• presumptuousness
• presuppose