adjective🔗Share選ばれた, 希少な, 難解なDistant from the lives and everyday concerns of ordinary people; esoteric, exclusive, select."Philosophical debates can be quite rarefied."哲学的な議論はかなり難解になりがちです。culturesocietyphilosophyliteratureChat with AIVocabulary GamePractice Reading
adjective🔗Share高尚な, 崇高な, 気高いElevated in style or nature, sublime; of high intellectual or moral value."The discussion about philosophy in the professor's office was rarefied, far removed from the everyday concerns of most students. "教授の研究室での哲学に関する議論は高尚で、ほとんどの学生の日常的な関心事とはかけ離れていた。stylequalitycharactermoralphilosophyliteratureChat with AIVocabulary GamePractice Reading
adjective🔗Share希薄な, 薄い(of a gas etc.) Less dense than usual; thin."The air at high altitudes at the top of mountains is rarefied."山頂の標高の高い場所では空気が希薄です。physicsscienceenvironmentChat with AIVocabulary GamePractice Reading
verb🔗Share希薄にするTo make rare, thin, porous, or less dense"The chemist rarefied the gas by reducing the pressure in the chamber. "化学者はチャンバー内の圧力を下げてガスを希薄にした。materialphysicsscienceChat with AIVocabulary GamePractice Reading
verb🔗Share膨張させる, 拡大するTo expand or enlarge without adding any new portion of matter to."As the hot air balloon rose, the air inside it rarefied, becoming less dense without adding any more air. "熱気球が上昇すると、内部の空気は膨張し、さらに空気を追加することなく密度が低くなりました。physicsscienceChat with AIVocabulary GamePractice Reading