上光
Luster \Lus"ter\, Lustre \Lus"tre\, v. t. [imp. & p. p.
{Lustred}; p. pr. & vb. n. {Lustering}, or {Lustring}.]
To make lustrous. [R. & Poetic]
Flooded and lustered with her loosened gold. --Lowell.
Lustering \Lus"ter*ing\, n.
1. The act or process of imparting a luster, as to pottery.
2. The brightening of a metal in the crucible when it becomes
pure, as in certain refining processes.