Fulguration

Origin

Latin, fulguration, 'sheet lightning', fulgurationis, from fulgurō, from fulgur ("lightning").

Full definition of fulguration

Noun

1. The quality of flashing like lightning.
2. (medicine) Cauterization with electricity; electrocautery.
3. (chemistry, obsolete) The sudden brightening of a fused globule of gold or silver, when the last film of the oxide of lead or copper leaves its surface; also called blick.