Tiasmin

a river in Kirovograd and Cherkassy oblasts, Ukrainian SSR; a right tributary of the Dnieper River. The Tiasmin is 161 km long and drains an area of 4,540 sq km. It rises in the Dnieper uplands and flows into the Kremenchug Reservoir. The Tiasmin is fed mainly by snow. The mean flow rate 11 km from the mouth is 6.6 cu m per sec. Along the river are the cities of Kamenka, Smela, and Chigirin.