/ Thesaurus / S Synonyms of sir james dewar Find synonyms for: Noun1. Dewar, Sir James Dewarusage: Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language