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Dewar

American  
[doo-er, dyoo-] / ˈdu ər, ˈdju- /

noun

  1. Sir James, 1842–1923, Scottish chemist and physicist.

  2. Dewar vessel.


Dewar British  
/ ˈdjuːə /

noun

  1. Donald. 1937–2000, Scottish Labour politician; secretary of state for Scotland (1997–99); first minister of Scotland (1999–2000)

  2. Sir James. 1842–1923, Scottish chemist and physicist. He worked on the liquefaction of gases and the properties of matter at low temperature, invented the vacuum flask, and (with Sir Frederick Abel) was the first to prepare cordite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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As deputy first minister, he covered Scotland's top job on several occasions, including stepping in following the death of Donald Dewar and the resignation of Henry McLeish.

From BBC ● Jan. 29, 2026

Paula Dewar and her family have, for years, covered their home and outside street with hordes of ghouls, ghosts and goblins.

From BBC ● Oct. 31, 2025

At Glasgow University, where he studied law, he became life-long friends with two future Labour stars - John Smith and Donald Dewar.

From BBC ● Sep. 26, 2025

It was probably not something Donald Dewar had anticipated.

From BBC ● Sep. 27, 2024

Large ferrous appliances, such as the wheeled metal canisters for liquid nitrogen known as Dewar flasks, had to be chained in place.

From "Big Science" by Michael Hiltzik

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