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Meaning: 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) Classified under: Nouns denoting people Synonyms: De Forest; Father of Radio; Lee De Forest Instance hypernyms: electrical engineer (a person trained in practical applications of the theory of electricity) artificer; discoverer; inventor (someone who is the first to think of or make something) "Don't shut the barn door after the horse is gone." (English proverb) "A mountain doesn't reach out to mountain, (but) a man is reaching out to a man." (Afghanistan proverb) "Falseness lasts an hour, and truth lasts till the end of time." (Arabic proverb) "One bird in your hand is better than ten on the roof." (Danish proverb)
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