蒸じょう留りゅう器きじょうりゅうきMeanings1nounstill; distillation apparatusRefers to equipment used for distilling liquids, such as in chemistry labs or alcohol production.実じっ験けん室しつで蒸じょう留りゅう器きを使つかって水みずを精せい製せいした。We purified water using a still in the laboratory.