- a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.
Origin of vacuum distillation
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- distillation in which the liquid distilled is enclosed at a low pressure in order to reduce its boiling point