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Related to vacuum bottle: thermos bottle
A bottle or flask having a vacuum between its inner and outer walls, designed to maintain the desired temperature of the contents. Also called vacuum flask.
a bottle or flask having a double wall enclosing a vacuum to retard heat transfer; thermos.
A small container with a double wall and a partial vacuum in the space between the two walls. Vacuum bottles are used to minimize the transfer of heat between the inside and the outside and thus keep the contents at a desired temperature.
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|Noun||1.||vacuum bottle - flask with double walls separated by vacuum; used to maintain substances at high or low temperatures|
flask - bottle that has a narrow neck