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 carefully placed the powdered sample into the crucibles before putting them in the furnace. "化学者は、炉に入れる前に粉末状のサンプルをるつぼに慎重に入れました。utensilmaterialchemistrysciencetechnicalChat 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 metalworkers carefully poured the molten gold from the crucibles into molds to make jewelry. "金属加工職人は、ジュエリーを作るために、るつぼから溶けた金を型に注意深く注ぎました。materialutensiltechnologychemistryscienceindustryChat with AIVocabulary GamePractice Reading
noun🔗ShareるつぼThe bottom and hottest part of a blast furnace; the hearth."The intense heat within the crucibles of the blast furnace melts the iron ore. "高炉のるつぼ内の強烈な熱が鉄鉱石を溶かします。materialindustrymachineChat with AIVocabulary GamePractice Reading
noun🔗Share試練、苦難A very difficult and trying experience, that acts as a refining or hardening process.""Boot camp was one of the crucibles that transformed ordinary citizens into resilient soldiers." "ブートキャンプは、一般市民を屈強な兵士に変える試練の一つでした。sufferingsituationcharacterconditionliteraturemindemotionprocesshistoryChat with AIVocabulary GamePractice Reading