noun Download 🔗Share A small circular receptacle used in assaying gold or silver with lead. Examples : "The assayer carefully placed the molten alloy in the cupel to separate the pure gold from the lead. " utensil material chemistry science Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To refine by means of a cupel. Examples : "The assayer will cupel the gold ore to remove impurities and determine the pure gold content. " chemistry material process science industry Chat with AIVocabulary GamePractice Reading