Category:Fulguration

Ful"gu*ra`tion, n. Etym: [L. fulguratio: cf. F. fulguration.]

1. The act of lightening. [R.] Donne.

2. (Assaying)

Defn: 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.