noun🔗ShareA cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures."The chemist placed the solid sample into the crucible before putting it in the furnace for heating. "utensilchemistrymaterialsciencetechnologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder."The metalworker carefully poured the molten gold from the crucible into the mold. "materialutensilchemistryscienceindustryelementChat with AIVocabulary GamePractice Reading
noun🔗ShareThe bottom and hottest part of a blast furnace; the hearth."The molten iron collected in the crucible at the base of the blast furnace, ready to be poured. "materialgeologyindustrytechnologystructurepartplaceChat with AIVocabulary GamePractice Reading
noun🔗ShareA very difficult and trying experience, that acts as a refining or hardening process."The demanding training program was a crucible for the young athletes, forging them into stronger competitors. "sufferingconditionsituationcharacterprocesshistoryChat with AIVocabulary GamePractice Reading
