De Forest

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De For·est

 (dĭ fôr′ĭst, fŏr′-), Lee 1873-1961.
American electrical engineer who patented the triode electron tube (1907) that made possible the amplification and detection of radio waves. He originated radio news broadcasts in 1916.

De Forest

(də ˈfɒrɪst)
(Biography) Lee. 1873–1961, US inventor of telegraphic, telephonic, and radio equipment: patented the first triode valve (1907)

De For•est

(dɪ ˈfɔr ɪst, ˈfɒr-)
Lee, 1873–1961, U.S. inventor.


(diˈfɔr ɪst, -ˈfɒr-)

to divest or clear of forests or trees.
de•for`est•a′tion, n.
de•for′est•er, n.
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Noun1.De Forest - 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)
References in periodicals archive ?
Although De Forest uses masculine pronouns throughout the passage, the tactics he recommends are clearly appropriate for a recalcitrant but still desirable woman.
Working within the allegorical structure that he had developed in Miss Ravenel's Conversion from Secession to Loyalty (1867), De Forest replaces the promise of marriage with a bond between a Northern officer and a (Reconstructed) Southern gentleman based on common codes of duty and honor.
That range was extended in 1906 by the American inventor Lee De Forest (1873-1961).
Other books published this year included Honest John Vane by John William De Forest, a novel dealing with the economic and political corruption of the period, with particular reference to the Credit Mobilier scandal; Sevenoaks by Josiah Gilbert Holland, a novel about a powerful and corrupt New England businessman; A Foregone Conclusion by William Dean Howells, a novel set in Venice; and From Jest to Earnest, a novel by Edward Payson Roe.
Born in Connecticut and educated in local schools, De Forest lived in Syria, Florence, and Paris as a young man.
At the outbreak of the Civil War, De Forest joined the Union army; after Lee 's surrender, he served as the head of the Freedman's Bureau in South Carolina.
In 1906 Lee de Forest shown here in his laboratory invented the triode, a key development in radio broadcasting.
based SA Studios; and 9-year-old artistic prodigy Autumn de Forest, whose critically lauded work has been purchased by art collectors worldwide.
The singer will be performing Never Give Up On You, a track co-written by former Eurovision entrant Emmelie de Forest, The Treatment and songwriter Lawrie Martin.
7777) is delighted to welcome back the incredible, young artist Autumn de Forest.
Uno sigue sin ser identificado, y el otro puede ser, segun Molins, Mohamed Belkaid, quien murio durante el asalto policiaco al departamento de la comuna de Forest donde se escondia Salah Abdeslam.
Des detonateurs ont ete decouverts lors de la perquisition effectuee mardi 15 mars dans l'appartement de Forest, une commune bruxelloise, duquel Salah Abdeslam etait parvenu a s'enfuir et qui a coute la vie a un autre de ses complices, Mohamed Belkaid.