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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dewar told the court Coll was "a much-loved parent, grand-parent and friend" who is "greatly missed" particularly by her children.

From BBC • May 18, 2026

The latest drop-off fee hike follows a 142% rise in the Edinburgh Airport business rates which Dewar claims is the largest increase in costs faced by any airport in Scotland and the UK.

From BBC • May 11, 2026

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

It said any claims for damages caused by injuries suffered walking along the footpath would be passed to Ms Dewar.

From BBC • Oct. 31, 2025

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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