Breadcrumb Home > Thesaurus > K Synonyms of kelvin Find synonyms for: Noun 1. kelvin, K, temperature unit usage: the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites 2. Kelvin, First Baron Kelvin, William Thompson usage: 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.Definition and meaning of kelvin (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: perfidy Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language