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Ste·phen·son(stē′vən-sən), George 1781-1848.
British railway pioneer who built a practical steam locomotive (1814) and the first passenger railway (1825). His son Robert (1803-1859) built railroads, locomotives, and bridges.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Biography) George. 1781–1848, British inventor of the first successful steam locomotive (1814); constructed the first railway line to carry passengers, the Stockton and Darlington Railway (opened 1825)
2. (Biography) his son, Robert. 1803–59, British engineer, noted for his construction of railway bridges and viaducts, esp the tubular bridge over the Menai Strait
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Ste•phen•son(ˈsti vən sən)
1. George, 1781–1848, English inventor and engineer.
2. his son Robert, 1803–59, English engineer.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.