What context can I use each word in?
Learn when and how to use these words with these examples!
dewar
Example
The dewar flask was used to store the liquid nitrogen. [dewar: noun]
Example
The researchers used a dewar to keep the samples at cryogenic temperatures. [dewar: noun]
thermos
Example
I always bring my thermos of coffee to work in the morning. [thermos: noun]
Example
The thermos kept the soup hot for hours during the picnic. [thermos: noun]
Good things to know
Which word is more common?
Thermos is more commonly used than dewar in everyday language. Thermos is a household name and widely available for personal use, while dewar is less common and mainly used in specialized fields.
What’s the difference in the tone of formality between dewar and thermos?
Dewar is associated with a formal and technical tone due to its specialized function and usage in scientific research and industrial applications. Thermos, on the other hand, is versatile and can be employed in various formality levels, allowing it to be used in both formal and informal contexts.