noun🔗ShareCopelaA small circular receptacle used in assaying gold or silver with lead."The assayer carefully placed the molten alloy in the cupel to separate the pure gold from the lead. "El ensayador colocó cuidadosamente la aleación fundida en la copela para separar el oro puro del plomo.utensilmaterialchemistryscienceChat with AIVocabulary GamePractice Reading
verb🔗ShareCopelarTo refine by means of a cupel."The assayer will cupel the gold ore to remove impurities and determine the pure gold content. "El ensayador copelará el mineral de oro para eliminar las impurezas y determinar el contenido de oro puro.chemistrymaterialprocessscienceindustryChat with AIVocabulary GamePractice Reading