Breadcrumb Home > Thesaurus > R Synonyms of rayleigh Find synonyms for: Noun 1. Rayleigh, Third Baron Rayleigh, Lord Rayleigh, John William Strutt usage: English physicist who studied the density of gases and discovered argon; made important contributions to acoustic theory (1842-1919) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of rayleigh (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: annular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language