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[ed-uh-suh n] /ˈɛd ə sən/
Thomas Alva
[al-vuh] /ˈæl və/ (Show IPA),
1847–1931, U.S. inventor, especially of electrical devices.
a township in central New Jersey. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for thomas alva edison
Historical Examples
  • It was in 1877 that thomas alva edison completed the first phonograph.

    The Age of Invention Holland Thompson
  • It was said you were the true successor of thomas alva edison.

  • thomas alva edison is one of the most remarkable men of all times and places.

  • Perhaps there has never been a man whose thoughts were so continually asking the question why as thomas alva edison.

    Historic Inventions Rupert S. Holland
  • When the war began we availed ourselves of the talents of thomas alva edison.

    Your Negro Neighbor Benjamin Brawley
  • In the development of the animated pictures thomas alva edison has played a large part.

    The Age of Invention Holland Thompson
British Dictionary definitions for thomas alva edison


Thomas Alva. 1847–1931, US inventor. He patented more than a thousand inventions, including the phonograph, the incandescent electric lamp, the microphone, and the kinetoscope
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
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thomas alva edison in Science
American inventor and physicist who took out more than 1,000 patents in his lifetime. His inventions include the telegraph (1869), microphone (1877), and light bulb (1879). He also designed the first power plant (1881-82), making possible the widespread distribution of electricity. During World War I, Edison worked on a number of military devices, including flamethrowers, periscopes, and torpedoes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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