vacuum distillation

American  

noun

Chemistry.

1. a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.

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vacuum distillation British  

noun

1. distillation in which the liquid distilled is enclosed at a low pressure in order to reduce its boiling point

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Etymology

Origin of vacuum distillation

First recorded in 1895–1900

Example Sentences

Bigger breweries such as Heineken tend to use vacuum distillation, which requires costly technology, to produce pallet-pleasing non-alcoholic beer.

From BBC • Feb. 15, 2024

Both steam distillation and vacuum distillation separate out the ethanol by heating the beer.

From Salon • Dec. 13, 2023

Studio Null is a line of European wines that have the alcohol removed through vacuum distillation.

From Washington Post • Dec. 29, 2022

“Diversity of product has increased. Technology has, as well. Now there are vapor or vacuum distillation and new techniques,” he continued.

From New York Times • Oct. 14, 2021

The simple apparatus for vacuum distillation includes a cylinder set squarely within another cylinder like an arm in a sleeve.

From Time Magazine Archive