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lee de forest

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De For⋅est

[di fawr-ist, for-]
–noun
Lee, 1873–1961, U.S. inventor of radio, telegraphic, and telephonic equipment.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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De For·est   (dĭ fôr'ĭst, fŏr'-)   
American electrical engineer who patented the triode electron tube (1907) that made possible the amplification and detection of radio waves. He originated radio news broadcasts in 1916.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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