Allegheny
noun
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.
Alleghanian
-
a word derived from
Allegheny.
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.
Stress from the Alleghanian orogeny reactivated faulting, produced uplifts, and deformation/folding as far west as the Pennsylvanian-aged Ancestral Rocky Mountains of Colorado.
From Textbooks ● Jan. 1, 2017
The eroded remains of the collisional mountains formed on Pangea are still in existence today as the Appalachian, Alleghanian, Scandinavian, Marathon, and Ouachita Mountain ranges.
From Textbooks ● Jan. 1, 2017
We were running our lightning express on the `Great Alleghanian.'
From The Brick Moon and Other Stories by Edward Everett Hale
The title of Appalachian, or Alleghanian, would still announce us as Americans, but would specify us as citizens of the Great Republic.
From Wolfert's Roost and Miscellanies by Washington Irving
New England marks a meeting place of the Canadian and Alleghanian floras.
From Handbook of the Trees of New England by Lorin Low Dame
