a vessel equipped with a vacuum pump used for rapid evaporation by boiling a substance at a low temperature under reduced pressure.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use vacuum pan in a sentence
This necessity will be less urgent if the liquor be made to boil before being introduced into the vacuum pan.A Dictionary of Arts, Manufactures and Mines | Andrew Ure
The repetition of this process for two or three times is imagined to produce the large brilliant grain of vacuum-pan sugar.A Dictionary of Arts, Manufactures and Mines | Andrew Ure
But when the vacuum pan was introduced the molasses was impoverished of its sweetness and beet sugar does not yield any molasses.Creative Chemistry | Edwin E. Slosson
The process of emptying the vacuum pan is technically called a "strike."
The original vacuum pan used by Gail Borden in 1853 for condensing milk by concentrating it in a vacuum.