Breadcrumb Home > Thesaurus Cite Synonyms of kelvin Find synonyms for: Noun1. kelvin, K, temperature unitusage: the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites2. 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.See also: kelvin (Dictionary) Related Content Daily Word Quiz: persiflage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index