1. [ noun ] vacuum flask that holds liquid air or helium for scientific experiments
Synonyms: Dewar_flask
Related terms: vacuum_flask
2. [ noun ] Last name, frequency rank in the U.S. is 9247
3. [ noun ] (chemistry,physics) Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)
Synonyms: sir_james_dewar
Related terms: chemist physicist
Similar spelling:   dear