noun
Dewar
DYOO-wuh
noun
1
A double-walled flask, similar to a thermos, used to keep liquids at a stable temperature, especially in scientific and cryogenic work.
"The liquid nitrogen was stored in a dewar to keep it from evaporating."
How to Use Dewar
Learner’s notesIn plain EnglishA specialised insulated flask used in labs to store very cold or very hot liquids.
Common pairings
a dewar flask
store in a dewar
Word Forms
Dewars plural, Dewars plural, dewars plural
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The liquid nitrogen was stored in a _____ to keep it from evaporating.
Etymology
Named after the Scottish scientist James Dewar, who is credited with inventing the vacuum flask.