JASSY, yäs'së, Rumania, the former capital of Moldavia, on the Bahluiu River. There is a university with 900 students; the industrial enterprises are few; but the commerce is extensive and important. The chief exports are petroleum, grain, meat and salt; the chief imports are coal and clothing. A treaty between Russia and Turkey was concluded here in 1792. It was in Jassy, in 1821, that Alexander Ypsilanti really began the work for Greek independence. About one-half the population are Jews. Pop. 75,882, about 33 per cent being Jews.