n. 耀光

Fulguration \Ful"gu*ra`tion\, n. [L. fulguratio: cf. F.
fulguration.]
1. The act of lightening. [R.] --Donne.

2. (Assaying) 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.


Bleak \Bleak\, n. [From {Bleak}, a., cf. {Blay}.] (Zo["o]l.)
A small European river fish ({Leuciscus alburnus}), of the
family Cyprinid[ae]; the blay. [Written also {blick}.]

Note: The silvery pigment lining the scales of the bleak is
used in the manufacture of artificial pearls. --Baird.