Science Dictionary
Arrhenius   (ə-rē'nē-əs)  Pronunciation Key 
Swedish physicist and chemist who developed the theory of electrolytic dissociation, which explained the process by which ions are formed or separated. For this work he was awarded the Nobel Prize for chemistry in 1903. He also investigated osmosis, toxins, and antitoxins.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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