cupel cup drill • cupeler · · · Info · Definitions · Synonyms · Characters · · cupel · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead. Synonyms: bone-ash cup, refractory pot. · · Noun Definition 1 Synonyms · · · bone-ash cup · · Synonym 1 refractory pot · · Synonym 2 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C p latin small letter p U+0070 u latin small letter u U+0075