a shallow, porous container in which gold or silver can be refined or assayed by melting with a blast of hot air which oxidizes lead or other base metals (提炼或鉴定金银的)烤钵;灰皿
(cupelled, cupelling; 美 cupeled, cupeling)
[with obj.]assay or refine (a metal) in such a container 用烤钵鉴定;用灰皿提炼
派生 cupellation noun 语源
early 17th cent. (as a noun): from French coupelle, diminutive of coupe 'goblet'