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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Cop·pel n. & v. See Cupel.
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From: Webster's Revised Unabridged Dictionary (1913)

 Cu·pel n.  A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime). [Written also coppel.]
 Cupel dust, powder used in purifying metals.