vacuum bottle
noun
a bottle or flask having a vacuum liner that prevents the escape of heat from hot contents, usually liquids, or the entrance of heat into cold contents; thermos.
Origin of vacuum bottle
First recorded in 1905–10
Words nearby vacuum bottle
vacuous,
vacutome,
vacuum,
vacuum activity,
vacuum aspiration,
vacuum bottle,
vacuum brake,
vacuum casting,
vacuum cleaner,
vacuum coffee maker,
vacuum concrete
Scientific definitions for vacuum bottle
vacuum bottle
A 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.