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Berzelius

[ber-zee-lee-uh s; Swedish ber-sey-lee-oo s]
noun
  1. Jöns Ja·kob [yœns yah-kawp] /yœns ˈyɑ kɔp/, Baron,1779–1848, Swedish chemist.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for baron jons jakob berzelius

Berzelius

noun
  1. Baron Jöns Jakob (ˈjœns ˈjɑːkɔp). 1779–1848, Swedish chemist, who invented the present system of chemical symbols and formulas, discovered several elements, and determined the atomic and molecular weight of many substances
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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

baron jons jakob berzelius in Science

Berzelius

[bər-zēlē-əs]
  1. Swedish chemist who is regarded as one of the founders of modern chemistry. Berzelius developed the concepts of the ion and of ionic compounds and made extensive determinations of atomic weights. In 1811 he introduced the classical system of chemical symbols, in which the names of elements are identified by one or two letters.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.