vacuum flask


Definition of vacuum flask

Examples of vacuum flask in a Sentence

Recent Examples on the Web It is then pumped into a truck-sized double-thick vacuum flask on wheels and sent to hospitals. Fox News, "Medical oxygen scarce in world's poorest regions during coronavirus pandemic," 24 June 2020 It is then pumped into a truck-sized double-thick vacuum flask on wheels and sent to hospitals. Washington Post, "Scarce medical oxygen worldwide leaves many gasping for life," 24 June 2020 Those without vehicles were seen carrying fuel in cans, bottles, and even vacuum flasks. Riyaz Wani, Quartz India, "Kashmir descends into a witch’s brew of fear and suspense," 4 Aug. 2019

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

See More

First Known Use of vacuum flask

1917, in the meaning defined above

Keep scrolling for more

Learn More about vacuum flask

Time Traveler for vacuum flask

Time Traveler

The first known use of vacuum flask was in 1917

See more words from the same year

Statistics for vacuum flask

Cite this Entry

“Vacuum flask.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2020.

More from Merriam-Webster on vacuum flask Encyclopedia article about vacuum flask

Comments on vacuum flask

What made you want to look up vacuum flask? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!