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Dewar
//ˈdjuː.ə// name, noun
Definitions
Proper Noun
- 1 A surname from Scottish Gaelic. countable, uncountable
- 2 An unincorporated community in Black Hawk County, Iowa, United States. countable, uncountable
- 3 A city in Okmulgee County, Oklahoma, United States. countable, uncountable
Noun
- 1 A glass or metal double-walled flask for holding a liquid without much loss or gain of heat; a vacuum bottle or thermos. Generally used for scientific purposes and in particular for cryogenic work.
- 2 A vacuum flask; a vessel which keeps its contents hotter or cooler than their environment without the need to modify the pressure, by interposing an evacuated region to provide thermal insulation between the contents and the environment.
"A large thermos-like container called a dewar contained 645 gallons of liquid helium to be cooled to within two degrees of absolute zero."
- 3 vacuum flask that holds liquid air or helium for scientific experiments wordnet
Etymology
Etymology 1
From Scottish Gaelic deoradh (“pilgrim, stranger”), an occupational surname for a custodian of holy relics. It could also be an habitational surname, from Dewar, Scottish Borders. The flask is named for James Dewar, who is credited with its invention.
Etymology 2
From Scottish Gaelic deoradh (“pilgrim, stranger”), an occupational surname for a custodian of holy relics. It could also be an habitational surname, from Dewar, Scottish Borders. The flask is named for James Dewar, who is credited with its invention.
Etymology 3
Named after British physicist and chemist James Dewar, its inventor.
See also for "dewar"
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