Definition of Pittsburgh from the Oxford Advanced Learner's Dictionary



; NAmE
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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.
See the Oxford Advanced American Dictionary entry: Pittsburgh