ブフナー漏ろう斗とMeanings1nounBüchner funnelA piece of laboratory equipment used for vacuum filtration, named after the German chemist Ernst Büchner.ブフナー漏ろう斗とを使つかって、沈ちん殿でん物ぶつをろ過かした。We filtered the precipitate using a Büchner funnel.