thermos

American  

[thur-muhs] / ˈθɜr məs /

noun

1. a vacuum bottle or similar container lined with an insulating material, such as polystyrene, to keep liquids hot or cold.

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Thermos British  

/ ˈθɜːməs /

noun

1. a type of stoppered vacuum flask used to preserve the temperature of its contents See also Dewar flask

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Etymology

Origin of thermos

First recorded in 1905–10; formerly a trademark

Example Sentences

Barbara Powers packed her husband a bag with thermoses of coffee and soup, six sandwiches, pickles, and cookies.

From Literature

Instead of using plastic water bottles, I use reusable thermoses or, if I did use a plastic water bottle, I can reuse it.

From Los Angeles Times

“I like to carry a small thermos with hot tea,” he said.

From Seattle Times

Then, according to the Smithsonian, in 1904, “‘thermos’ vacuum bottles began keeping workers' drinks hot or cold until the noon whistle blew” and that same decade they began designing lunchboxes, too.

From Salon

While its internet popularity may be fairly recent, Stanley has long been known for its green thermos.

From Seattle Times

Related Words

• flask
• water bottle