noun
a city in southwestern Pennsylvania where the confluence of the Allegheny River and Monongahela River forms the Ohio River; long an important urban industrial area; site of Carnegie Mellon University and the University of Pittsburgh (Freq. 5)
• Instance Hypernyms: ↑city, ↑metropolis, ↑urban center
• Part Holonyms: ↑Pennsylvania, ↑Keystone State, ↑PA
• Part Meronyms: ↑Carnegie Mellon University, ↑University of Pittsburgh
* * *
Pittsburgh [Pittsburgh]
a US industrial city in western ↑Pennsylvania where the Allegheny and Monongahela rivers come together to form the ↑Ohio River. It began in 1758 as Fort Pitt, named after William Pitt. For a century until the 1980s, it was a centre for iron and steel production. Pittsburgh now produces high technology products and leads the world in medical operations for replacing body organs.
Useful english dictionary. 2012.