n10927424
type | n |
lex_filenum | 18 |
def | 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) |
Outgoing links | |
Instance Hypernym | electrical engineer; inventor, discoverer, artificer |
Incoming links | |
Instance Hyponym | electrical engineer; inventor, discoverer, artificer |
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