1 cupellation | Definition of cupellation
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cupellation

noun
cu·​pel·​la·​tion | \ ˌkyü-pə-ˈlā-shən How to pronounce cupellation (audio) , -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, in the meaning defined above

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More from Merriam-Webster on cupellation

Britannica.com: Encyclopedia article about cupellation

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