Dictionary

thermos

thermos

noun ther·mos \ˈthər-məs\

: a container that keeps liquids hot or cold for long periods of time

Full Definition of THERMOS

:  a container (as a bottle or jar) with a vacuum between an inner and outer wall used to keep material and especially liquids either hot or cold for considerable periods

Origin of THERMOS

from Thermos, a trademark
First Known Use: 1907

Rhymes with THERMOS

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