noun. vacuum flask that holds liquid air or helium for scientific experiments.
- vacuum bottle
- vacuum flask
Words that Rhyme with Dewar
noun. Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923).
Example sentences of the word dewar
1. Noun, singular or mass
Dispense LN2 only from a cryogenic dewar or other approved container, and use Styrofoam bowls and boxes to hold demonstration objects.