copple dust
English
Noun
- (obsolete) cupel dust; powder used in refining metals, or the gross parts separated by the coppel
- a. 1626, Francis Bacon, Inquisitions touching the compounding of metals
- It may be also tried , by incorporating powder of steel , or copple-dust , by pouncing into the quick - silver , and so to proceed to the stupifying UPON glass
- a. 1626, Francis Bacon, Inquisitions touching the compounding of metals
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for copple dust in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)
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