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 (gā′lə-săk′, -lü-säk′), Joseph Louis 1778-1850.
French chemist and physicist who isolated boron (1809) and formulated a law that explains the behavior of a gas under constant pressure.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈɡeɪˈluːsæk; French ɡɛlysak)
(Biography) 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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌgeɪ ləˈsæk)

Joseph Louis, 1778–1850, French chemist and physicist.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun1.Gay-Lussac - French chemist and physicist who first isolated boron and who formulated the law describing the behavior of gases under constant pressure (1778-1850)Gay-Lussac - French chemist and physicist who first isolated boron and who formulated the law describing the behavior of gases under constant pressure (1778-1850)
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References in classic literature ?
Brioschi and Gay-Lussac did; but then the blood burst from their mouths and ears.
Gay-Lussac the chemist, Laplace the astronomer, Larrey the surgeon, de Suze the advocate, are here, and with them are Talma, Bellini, Rubini; de Balzac, Beaumarchais, Beranger; Moliere and Lafontaine, and scores of other men whose names and whose worthy labors are as familiar in the remote by-places of civilization as are the historic deeds of the kings and princes that sleep in the marble vaults of St.
Not less does the brain of Davy or of Gay-Lussac, from childhood exploring the affinities and repulsions of particles, anticipate the laws of organization.
According to the theoretical conversion of Gay-Lussac (1g of glucose provides 0.511g of ethanol) the theoretical maximum yield is 0.0804g ethanol g-1 untreated fiber.
Maximum alcohol content was estimated on total sugar and Gay-Lussac equation for alcoholic fermentation, in which 1 mol of glucose (180 g) produced 2 moL of ethanol (92 g), 2 moL of carbon dioxide (C[O.sub.2]) (88 g) and 238.26 kJ of energy (SILVA et al., 2006).
Liebig started his training in Germany under Karl Wilhelm Kastner and subsequently spent time in Paris, where he met Louis Joseph Gay-Lussac (1778-1850), Louis Jacques Thenard (1777-1857), Michel Eugene Chevreul (1786-1889) (4, 5), and other French luminaries.
Gay-Lussac Scale ([degrees]GL): Invented between 1798 and 1850, the GL scale was used to measure percent of ethanol by volume.
And when he heard that Sir Humphry Davy in England had used a battery to break compounds down into their component elements, he provided funds to French scientists Joseph Gay-Lussac and Louis Thenard to come up with a bigger, better battery than the English had.
Davy from Great Britain, sharing the discovery of chloride with Gay-Lussac in 1809-1810.

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