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    lee de forest

    lee de forest - 365bet中国官方网站 definition and meaning for word lee de forest

    Definition
    (noun) United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)
    Synonyms : de forest , father of radio

  • Word used in video below:
    text: it the rain forest because it's a forest
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