Tehran Syllabification: (Teh·ran)Pronunciation: /ˌte(ə)ˈran, -ˈrän/ (also Teheran)Definition of Tehran the capital of Iran, in the foothills of the Elburz Mountains; population 7,088,287 (2006). It replaced Isfahan as the capital of Persia in 1788. Tehran in other Oxford dictionaries Definition of Tehran in the British & World English dictionary
