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Gay-Lussac

[gey-luh-sak; French gey-ly-sak]
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noun
  1. Jo·seph Lou·is [joh-zuh f loo-ee, -suh f; French zhaw-zef lwee] /ˈdʒoʊ zəf ˈlu i, -səf; French ʒɔˈzɛf lwi/, 1778–1850, French chemist and physicist.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for gay-lussac

Gay-Lussac

noun
  1. Joseph Louis (ʒozɛf lwi). 1778–1850, French physicist and chemist: discovered the law named after him (1808), investigated the effects of terrestrial magnetism, isolated boron and cyanogen, and discovered methods of manufacturing sulphuric and oxalic acids
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gay-lussac in Science

Gay-Lussac

[gā′lə-săk]
  1. French chemist and physicist who in 1808 developed a law governing the ratio of volumes of gases participating in chemical reactions. In that same year, with Louis Jacques Thénard, he discovered the element boron.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.