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[al-i-gey-nee] /ˌæl ɪˈgeɪ ni/
a river flowing NW from Pennsylvania into SW New York and then S through W Pennsylvania, joining the Monongahela at Pittsburgh to form the Ohio River. 325 miles (525 km) long.
Related forms
Alleghenian, Alleghanian, adjective
trans-Alleghenian, adjective

Allegheny Mountains

plural noun
a mountain range in Pennsylvania, Maryland, West Virginia, and Virginia: a part of the Appalachian Mountains.
Also called Alleghenies. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Allegheny Mountains

plural noun
a mountain range in Pennsylvania, Maryland, Virginia, and West Virginia: part of the Appalachian system; rising from 600 m (2000 ft) to over 1440 m (4800 ft)
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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Allegheny in Culture
Allegheny Mountains [(al-uh-gay-nee)]

Western part of the Appalachian Mountains, extending from northern Pennsylvania southwest to southwestern Virginia.

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