FULGURATION
Etymology
Noun
fulguration (countable and uncountable, plural fulgurations)
A flash of lightning
(medicine) cauterization with electricity; electrocautery
(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
Synonym: blick
Source: Wiktionary
Ful"gu*ra`tion, n. Etym: [L. fulguratio: cf. F. fulguration.]
1. The act of lightening. [R.] Donne.
2. (Assaying)
Definition: 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.
A phenomenon called, by the old chemists, fulguration. Ure.
Source: Webster’s Unabridged Dictionary 1913 Edition