| 单词 | fractional distillation |
| 释义 | distil or (N American) distill /di-stilˈ/intransitive verb (distillˈing; distilledˈ)
ORIGIN: OFr distiller, with substitution of prefix, from L dēstillāre, -ātum, from dē down, and stillāre to drop, from stilla a drop distillˈable adjective disˈtilland noun That which is to be, or is being, distilled disˈtillāte noun The product of distillation distillāˈtion noun The process of distilling or its product distillˈatory adjective Of or for distilling distillˈer noun distillˈery noun A place where distilling, esp of alcoholic spirits, is carried on distillˈing noun distilˈment noun (Shakespeare) That which is distilled distilled water noun Water purified by distillation destructive distillation The collection of volatile matters released when a substance is destroyed by heat in a closed vessel (as coal is when making gas) fractional distillation The separation by distilling of liquids having different boiling points, the heat being gradually increased and the receiver changed vacuum distillation Distillation under reduced pressure (effecting a lowering of the boiling point) fraction /frakˈshən/noun
ORIGIN: Ety as for fract fracˈtional adjective
fracˈtionalism noun
fracˈtionalist noun A breaker-up of political unity fractionalīzāˈtion or fractionalīsāˈtion noun fracˈtionalize or fracˈtionalise transitive verb To break up into parts fracˈtionally adverb fracˈtionary adjective
fracˈtionate transitive verb
fractionāˈtion noun fracˈtionātor noun A plant for carrying out fractional distillation fractionīzāˈtion or fractionīsāˈtion noun fracˈtionize or fracˈtionise transitive verb To break up into fractions fracˈtionlet noun A small fraction fractional distillation noun A distillation process for the separation of the various constituents of liquid mixtures by means of their different boiling points |
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