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Definition of Vacuum bottle
1. Noun. Flask with double walls separated by vacuum; used to maintain substances at high or low temperatures.
Exact synonyms: Vacuum Flask
Specialized synonyms: Dewar, Dewar Flask, Thermos, Thermos Bottle, Thermos Flask
Generic synonyms: Flask
Specialized synonyms: Dewar, Dewar Flask, Thermos, Thermos Bottle, Thermos Flask
Generic synonyms: Flask