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Definition of irtysh
irtysh
/ɪərˈtɪʃ/
ir · tysh
irtysh Lexical Profile
CEFR
C1
Grade
9
Tier
3
Usage
Rare
• noun
1
A major river in Asia that originates in the Altai Mountains of China, flows northwest through Kazakhstan and Russia, and serves as the chief tributary of the Ob River.
Example
"The Irtysh River basin is an important source of fresh water and hydroelectric power for Kazakhstan and parts of western Siberia."
• Rhymes for irtysh
Word Origin & Etymology
Derived from ancient Turkic or Mongolic roots, historically appearing as Ertis or İrteş in regional languages, with debated exact origins but often associated with the concept of a fast-flowing river.
Cite this Entry
Wordmom. (2026). Definition of Irtysh. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/irtysh