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Definition of Lee de forest
1. 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).
Exact synonyms: De Forest, Father Of Radio
Generic synonyms: Electrical Engineer, Artificer, Discoverer, Inventor
Generic synonyms: Electrical Engineer, Artificer, Discoverer, Inventor