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thermos

1 ENTRIES FOUND:
thermos /ˈθɚməs/ noun
plural thermoses
thermos
/ˈθɚməs/
noun
plural thermoses
Britannica Dictionary definition of THERMOS
[count]
: a container that keeps liquids hot or cold for long periods of time
called also (US) thermos bottle, (British) flask, (British) vacuum flask