Dewar Meaning in English
word
Definition
A dewar is a special type of insulated container used to keep liquids at very low or very high temperatures, such as liquid nitrogen or laboratory samples. It has a double wall to reduce heat loss.
Usage & Nuances
"Dewar" is usually used in scientific and technical contexts, referring mainly to laboratory or industrial equipment. Often paired with "flask" as in "Dewar flask". Not used in everyday conversation. Don't confuse with regular thermos bottles.
Example Sentences
Scientists use a dewar to store samples safely.
basic
Be careful when moving a dewar full of liquid helium.
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Could you bring the dewar from the storage room?
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The dewar accidentally cracked, so we had to evacuate the lab.
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Don’t confuse a regular thermos with a dewar—they’re not built for the same purpose.
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A dewar keeps liquid nitrogen very cold.
basic