cupel
cupel
Definition
cu·pel (kyo̵̅o̅′pəl, kyo̵̅o̅ pel′)
noun
- a small, shallow, porous cup used in assaying gold, silver, etc.
- a hearth for refining metals
Etymology: Fr coupelle < ML cupella, dim. < L cupa: see cup
transitive verb -·peled or -·pelled, -·pel·ing
to assay or refine in a cupel
cu′·pel·la′·tion (-pə lā′s̸hən) noun
cupel
Usage Examples
Adjective modifier
- porous: The remaining litharge was absorbed by the porous cupel, leaving a globule of metallic silver about 99.9 % pure.
Browse dictionary entries near cupel
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