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.