cupel
1 of 2noun
cu·pel kyü-ˈpel 
ˈkyü-pəl
ˈkyü-pəl : a small shallow porous cup especially of bone ash used in assaying to separate precious metals from lead
cupel
2 of 2verb
cupelled or cupeled; cupelling or cupeling
transitive verb
: to refine by means of a cupel
cupeller noun
Word History
Etymology
Noun
French coupelle, diminutive of coupe cup, from Late Latin cuppa
First Known Use
Noun
1605, in the meaning defined above
Verb
1644, in the meaning defined above
- potassium amide
- potassium bifluoride
- potassium binoxalate
- potassium bisulfate
- potassium bitartrate
- potassium bromate
- potassium bromide
- potassium carbonate
- potassium chlorate
- potassium chloride
- potassium chromate
- potassium cobaltinitrite
- potassium cyanate
- potassium cyanide
- potassium dichromate
- potassium ferricyanide
- potassium ferrocyanide
- potassium fluoride
- potassium hydrate
- potassium hydroxide
- potassium hypochlorite
- potassium iodide
- potassium manganate
- potassium nitrate
- potassium oxalate