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

Now though, there are new methods of low-temperature vacuum distillation, and of "capturing" aromas for putting back into the de-alcoholised wine.

From BBC • Dec. 25, 2024

Of the de-alcoholization options, most beer lovers agree that vacuum distillation and reverse osmosis produce the best results.

From Salon • Dec. 13, 2023

“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

Some breweries brew the beer to completion, then lower the alcohol using reverse osmosis, vacuum distillation and other processes.

From Washington Post • Jan. 20, 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