1 vacuum flask | Definition of vacuum flask
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vacuum flask

noun

Definition of vacuum flask

: thermos

Examples of vacuum flask in a Sentence

Recent Examples on the Web

 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.

First Known Use of vacuum flask

1917, in the meaning defined above

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More from Merriam-Webster on vacuum flask

Rhyming Dictionary: Words that rhyme with vacuum flask

Britannica.com: Encyclopedia article about vacuum flask

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