davy, humphry

Science Dictionary
Davy   (dā'vē)  Pronunciation Key 
British chemist who was a pioneer of electrochemistry. By means of electrolysis Davy isolated several elements, including sodium and potassium (1807), and barium, boron, calcium, and magnesium (1808). He also proved that diamonds are a form of carbon.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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