Dewar
1
7.8
- noun
- /ˈdjuːər/
- Specialized
:
Dewar
- The lab technician carefully poured liquid nitrogen into the dewar to store it safely.
- a Dewar with liquid
Examples
-
It's a large dewar flask, like a giant thermos bottle.
Fiction book (1999) -
The niobium-titanium solenoidal magnet is contained in an annular dewar bottle containing liquid helium.
Academic text (1994) -
"And I'll put an empty dewar in your sister's place," George added, "as soon as we get this one settled in."
Fiction book (2001) -
Tonight, the three of us are going to move a dewar out of the catacombs," Dan said.
Fiction book (2001) -
The stainless steel dewar containing the cavity is at the bottom.
Academic text (1996) -
The dewar rested on the floor, and all the gauges were in the green.
Fiction book (2001) -
Dan and George were sweating with the effort of jacking up the massive dewar onto a pair of trolleys.
Fiction book (2001) -
The caster wheels on the trolleys squeaked as the three of them pushed the dewar down the long, shadowy corridor.
Fiction book (2001) -
For the experiment, we will need a large dewar to hold the liquid helium.
-
The dewar is designed to keep the temperature stable for the cryogenic samples.
Synonyms
A container that keeps very cold liquids like liquid nitrogen from warming
Compounds
- Specialized
A container that keeps very cold liquids like liquid nitrogen from warming
How Insulating
Surface Forms
Etymology
Dewar comes from the Scottish scientist James Dewar, who made the first bottle with two walls and a 'vacuum' between them to keep things very cold. Think of a Dewar like a thermos for liquid nitrogen or helium, so the name means a special flask for very cold liquids.