dewar

noun, often capitalized
dew·​ar | \ ˈdü-ər How to pronounce dewar (audio) also ˈdyü- \

Definition of dewar

 (Entry 1 of 2)

: a glass or metal container made like a vacuum bottle that is used especially for storing liquefied gases

called also Dewar flask

Dewar

biographical name
Dew·​ar | \ ˈdü-ər How to pronounce Dewar (audio) , ˈdyü- \

Definition of Dewar (Entry 2 of 2)

Sir James 1842–1923 Scottish chemist and physicist

First Known Use of dewar

Noun

1939, in the meaning defined above

History and Etymology for dewar

Noun

Sir James Dewar

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Cite this Entry

“Dewar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dewar. Accessed 1 Mar. 2021.

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