Dictionary.com
Thesaurus.com

De Forest

American  
[di fawr-ist, for-] / dɪ ˈfɔr ɪst, ˈfɒr- /

noun

  1. Lee, 1873–1961, U.S. inventor of radio, telegraphic, and telephonic equipment.


De Forest British  
/ də ˈfɒrɪst /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The concept of the Great American Novel, introduced by John W. De Forest in 1868, has always been a mirage, since the country is too varied to be contained in a single work.

From The Wall Street Journal Jun. 19, 2026

Wisconsin purchasing agents on March 26 paid $19,799 for 2,100 N95s at an Ace Hardware in De Forest.

From Washington Times Dec. 19, 2020

The show’s 37 paintings, drawings and assemblage wall reliefs span from 1960 to 2006 and constitute the largest De Forest show in New York since a 1975 survey at the Whitney Museum of American Art.

From New York Times Apr. 9, 2020

Artists included in this show at the Parker include figures such as Wallace Berman, Kurt Schwitters, Roy De Forest and Franklin Williams.

From Los Angeles Times Jun. 13, 2019

De Forest felt very sorry, and tenderly said she must not over-exert herself.

From The Expressman and the Detective by Allan Pinkerton

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training