What's Trending Now
More Trending Words
Definition of dewar
: a glass or metal container made like a vacuum bottle that is used especially for storing liquefied gases —called also Dewar flask
From the M-W Editors
Recent Examples of dewar from the Web
-
Dewar needed a container that would resist changes in temperature, keeping his cold fluid cold without need for refrigerating equipment.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dewar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of dewar
Sir James Dewar
Dewar
play
biographical name
Dew·ar
\ˈdü-ər, ˈdyü-\
Definition of Dewar
Sir James 1842–1923 Scottish chemist and physicist
Learn More about dewar
Seen and Heard
What made you want to look up dewar? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!