cupel
Kelime Anlamı :

1. maden potası.
2. kal potası.
3. pota.
4. potada tasfiye etmek.
5. (isim) maden potası.
6. ufak pota.
Tanımlar :
1. A porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead.
2. the bottom or receptacle in a silver-refining furnace.
3. to assay or separate from base metals in a cupel.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. A small circular receptacle used in assaying gold or silver with lead.
2. to refine by means of a cupel.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).
2. to refine by means of a cupel.
from the GNU version of the Collaborative International Dictionary of English
1. to perform the process of cupellation upon.
2. in metallurgy, a small vessel made of pulverized bone-earth, in the form of a frustum of a cone, with a cavity in the larger end, in which lead containing gold and silver is cupeled. see cupellation.
3. the hearth of a cupellation furnace in which silver is separated from lead; a test. see test, 2.
from The Century Dictionary and Cyclopedia
1. a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.