Marconi, Guglielmo

Science Dictionary
Marconi   (mär-kō'nē)  Pronunciation Key 
Italian physicist and inventor who was the first to use radio waves to transmit signals in Morse code across the Atlantic Ocean (1901). Soon after his experiment, he developed shortwave radio equipment and helped establish radio as a widely used medium for communications.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
Marconi, Guglielmo [(mahr-koh-nee)]

An Italian inventor and electrical engineer of the late nineteenth and early twentieth centuries. His most famous invention is the wireless telegraph, the forerunner of present-day radio, which he developed in the 1890s. In 1909, Marconi received the Nobel Prize for physics.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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