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distillation US English

The action of purifying a liquid by a process of heating and cooling

steam distillation US English

Distillation of a liquid in a current of steam, used especially to purify liquids that are not very volatile and are immiscible with water

global distillation US English

A process whereby certain volatile substances vaporize in warm climates and condense in cooler areas, causing the accumulation of pollutants

vacuum distillation US English

Distillation of a liquid under reduced pressure, enabling it to boil at a lower temperature than normal

destructive distillation US English

Decomposition of a solid by heating it in a closed container and collecting the volatile constituents given off

fractional distillation US English

Separation of a liquid mixture into fractions differing in boiling point (and hence chemical composition) by means of distillation, typically using a fractionating column