分ぶん留りゅう塔とうぶんりゅうとうMeanings1nounfractionating columnTechnical term in chemistry and chemical engineering for a column used to separate mixtures by fractional distillation.原げん油ゆは分ぶん留りゅう塔とうでいくつかの留りゅう分ぶんに分わけられる。Crude oil is separated into several fractions in a fractionating column.
