lawrence arabia

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Lawrence   (lôr'əns)  Pronunciation Key 
American physicist who in 1929 built the first cyclotron, which he used to study the structure of the atom, transmute elements, and produce artificial radiation. His work laid the foundation for the development of the atomic bomb.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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