vacuum pan
- a vessel equipped with a vacuum pump used for rapid evaporation by boiling a substance at a low temperature under reduced pressure.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for vacuum pan
Historical Examples
The repetition of this process for two or three times is imagined to produce the large brilliant grain of vacuum-pan sugar.