/ Thesaurus / W Synonyms of william thompson Find synonyms for: Noun1. Kelvin, First Baron Kelvin, William Thompsonusage: British physicist who invented the Kelvin scale of temperature and pioneered undersea telegraphy (1824-1907)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tranquil Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language