noun cu·pel·la·tion \ˌkyü-pə-ˈlā-shən, -ˌpe-\

Definition of CUPELLATION

:  refinement (as of gold or silver) in a cupel by exposure to high temperature in a blast of air by which the unwanted metals are oxidized

First Known Use of CUPELLATION

circa 1691


Next Word in the Dictionary: CupeñoPrevious Word in the Dictionary: cupel (verb)All Words Near: cupellation
March 26, 2015
verdigris Hear it
A green deposit formed on some metals
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