thermos

noun
ther·​mos | \ ˈthər-məs How to pronounce thermos (audio) \

Definition of thermos

: a container (such 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

Examples of thermos in a Sentence

Recent Examples on the Web Bring your own thermos and cups to avoiding sharing germs, as well. Jen Rose Smith, CNN, "25 fun things to do this winter," 19 Nov. 2020 There, for the past 5 years, a high-tech thermos called Arktek has helped distribute Ebola vaccines that must be kept ultracold. Jocelyn Kaiser, Science | AAAS, "Temperature concerns could slow the rollout of new coronavirus vaccines," 16 Nov. 2020 If your idea of a hearty lunch includes a thermos of coffee or tea, this old-school metal container with a domed lid is your answer. Popsci Commerce Team, Popular Science, "Lunch boxes that’ll get you excited about leftovers," 29 Oct. 2020 This would be filled with 70,000 gallons of water to further buffer the inner xenon chamber—in a sense, a gigantic thermos. Ryan Bradley, Popular Science, "Glimpse the gold mine where scientists are searching for dark matter," 27 Oct. 2020 Simply pack a hot thermos of glüehwein, or spiced mulled wine, and head out into nature, taking in the sights, scents and sounds of the forest around you. Laura Kiniry, Smithsonian Magazine, "What Americans Can Learn From Winter-Loving Cultures," 19 Oct. 2020 Evaluate your wardrobe as well as your kitchen arsenal, which could include insulated mugs, a thermos and crockpots. Washington Post, "How to safely — and graciously — host friends and family as the weather gets colder," 15 Oct. 2020 The destination this time is Salem, Massachusetts, where Hubie Dubois (Sandler), is a thermos-carrying stunted man-child who’s been the butt of jokes since high school, taunted for his unhipness and his good-hearted sincerity. Jake Coyle, Detroit Free Press, "Adam Sandler’s ‘Hubie Halloween’ is good fun," 9 Oct. 2020 The destination this time is Salem, Massachusetts, where Hubie Dubois (Sandler), is a thermos-carrying stunted man-child who's been the butt of jokes since high school, taunted for his unhipness and his good-hearted sincerity. Jake Coyle, Star Tribune, "Review: Adam Sandler's 'Hubie Halloween' is ... good?," 7 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thermos.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thermos

1907, in the meaning defined above

History and Etymology for thermos

from Thermos, a trademark

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Time Traveler for thermos

Time Traveler

The first known use of thermos was in 1907

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Statistics for thermos

Last Updated

26 Nov 2020

Cite this Entry

“Thermos.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermos. Accessed 27 Nov. 2020.

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More Definitions for thermos

thermos

noun
How to pronounce thermos (audio)

English Language Learners Definition of thermos

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

thermos

noun
ther·​mos | \ ˈthər-məs How to pronounce thermos (audio) \

Kids Definition of thermos

: a container (as a bottle or jar) that has a vacuum between an inner and an outer wall and is used to keep liquids hot or cold for several hours

More from Merriam-Webster on thermos

Nglish: Translation of thermos for Spanish Speakers

Comments on thermos

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