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thermos
[ thur-muhs ]
/ ˈθɜr məs /
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Definition of thermos
noun
a vacuum bottle or similar container lined with an insulating material, such as polystyrene, to keep liquids hot or cold.
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Also called thermos bottle.
Origin of thermos
First recorded in 1905–10; formerly a trademark
Words nearby thermos
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use thermos in a sentence
British Dictionary definitions for thermos
Thermos
Thermos flask
/ (ˈθɜːməs) /
noun
trademark a type of stoppered vacuum flask used to preserve the temperature of its contentsSee also Dewar flask
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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