verb🔗Share컵펠로 정련하다To refine by means of a cupel."The assayer was cupelling the gold ore to remove any lead impurities. "감정사는 납 불순물을 제거하기 위해 금광석을 컵펠로 정련하고 있었다.chemistrymaterialprocessscienceindustryChat with AIVocabulary GamePractice Reading
