Irtysh definitions

ĭr-tĭsh'
A river of northwest China, eastern Kazakhstan, and central Russia flowing about 4,250 km (2,650 mi) generally northwest to the Ob River.
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River in central Asia, flowing from NW China northwestward into the Ob: c. 1,850 mi (2,977 km)
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A major river in Siberia, Russia.
pronoun
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