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DeForest

[dĭ-fôrĭst]
  1. American electrical engineer and inventor who is known as "the father of radio." He patented more than 300 inventions, including the triode electron tube, which made it possible to amplify and detect radio waves.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.