vacuum distillation

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.

vacuum distillation

noun

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

Word History and Origins

Origin of vacuum distillation¹

First recorded in 1895–1900

Example Sentences

In vacuum distillation, the operation is begun without the use of vacuum.

From Project Gutenberg