copple dust
Cupel-dust; powder used in refining metals, or the gross parts separated by the coppelCupel-dust; powder used in refining metals, or the gross parts separated by the coppel.
Meaning
1 senses(obsolete, uncountable)Cupel-dust; powder used in refining metals, or the gross parts separated by the coppel.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable