Breadcrumb Home > Thesaurus > F Synonyms of foucault Find synonyms for: Noun 1. Foucault, Jean Bernard Leon Foucault usage: French physicist who determined the speed of light and showed that it travels slower in water than in air; invented the Foucault pendulum and the gyroscope (1819-1868) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of foucault (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: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language