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A city of northeast Oklahoma on the Arkansas River northeast of Oklahoma City. A port and manufacturing center, it grew rapidly after the discovery of oil nearby in the early 1900s.
(Placename) a city in NE Oklahoma, on the Arkansas River: a major oil centre; two universities. Pop: 387 807 (2003 est)
a city in NE Oklahoma, on the Arkansas River. 378,491.
Tul′san, n., adj.