corposant

• Fenômeno elétrico atmosférico que se manifesta como uma luminescência azulada ou arroxeada em torno de objetos pontiagudos, como mastros e torres de igrejas, durante tempestades, devido à ionização do ar. É também chamado de fogo de Santelmo.

A noun referring to an electrical discharge, often seen as a glow around pointed objects during a storm, accompanied by ionization of the surrounding atmosphere.

1. C2formalscientific

   A luminous electrical discharge that occurs around a pointed object, such as a ship's mast or aircraft wing, during a thunderstorm, caused by ionization of the surrounding atmosphere.

   Descarga elétrica

   • The sailors watched the corposant glow at the top of the mast during the storm.
   • A corposant, also known as St. Elmo's fire, is a weather phenomenon.
   • The pilot reported seeing a corposant on the wingtip in the electrical storm.