WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / D / dewar flask dewar flask noun /duərflæsk/ 2 syllables 11 letters Scrabble 21 WWF 22 Definitions noun vacuum flask that holds liquid air or helium for scientific experiments dewar Look “dewar flask” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →