an insulating flask that has double walls, usually of silvered glass, with an evacuated space between them. It is used for maintaining substances at high or low temperatures
vacuum bottle in American English
vacuum flask, or vacuum jug
a vessel with double walls that enclose an insulating vacuum, used for maintaining the temperature of its contents, often a beverage or other hot or cold liquid
Examples of 'vacuum bottle' in a sentence
vacuum bottle
He took the aluminium cup Jupe had been drinking from, filled it with hot soup from a vacuum bottle, and handed it to Pete.
Arthur, Robert THREE IN ONE (1989)
Isaacs fished a box of sugar cubes and a vacuum bottle cup out of a drawer and put them on the table beside Leaphorn.