noun🔗ShareるつぼA 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. "化学者は、加熱のために炉に入れる前に、固体のサンプルをるつぼに入れました。utensilchemistrymaterialsciencetechnologyChat with AIVocabulary GamePractice Reading
noun🔗ShareるつぼA 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. "金属加工職人は、るつぼから溶融した金を注意深く型に注ぎました。materialutensilchemistryscienceindustryelementChat with AIVocabulary GamePractice Reading
noun🔗ShareるつぼThe 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. "溶けた鉄は、注ぎ出す準備ができて、高炉の底にあるるつぼに集められました。materialgeologyindustrytechnologystructurepartplaceChat with AIVocabulary GamePractice Reading
noun🔗Share試練, 厳しい経験A 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. "厳しいトレーニングプログラムは、若いアスリートにとって試練となり、彼らをより強い競争相手へと鍛え上げました。sufferingconditionsituationcharacterprocesshistoryChat with AIVocabulary GamePractice Reading
