Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Lee De Forest | Yes | No | No | No |
discoverer | Yes | No | No | No |
Lee De Forest (noun) | discoverer (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) | someone who is the first to observe something |
someone who is the first to think of or make something |