dewar
noun
Simple meaning
A glass or metal double-walled flask for holding a liquid without much loss or gain of heat.
Pronunciation
Say it like this:
dooerSay the bold part a little louder.
IPA pronunciation (US)
ˈduɚ
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
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.
Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)
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.
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: 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.
Used this way, dewar is a specialist word with a mildly favourable edge. It turns up most in science contexts.
- Emotional tone
- Slightly positive
- Formality
- Specialist/technical
- Intensity
- Moderate
- How common
- Specialized
- Connotation
- Positive and appreciative
- Usage feel
- Clinical and detached
Where it naturally appears
- Science
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Nearby words
- dewar flask , rarer, so it draws attention
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
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More about this wordSynonyms, forms, origin
Synonyms
Sense: glass
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