The Collaborative International Dictionary of English v.0.48:
Novosibirsk \Novosibirsk\ prop. n. A city in the Asian part of Russia. Much Soviet military research was performed there, and until the 1990's it was restricted from entry by foreigners. [WordNet 1.5]WordNet (r) 3.0 (2006):
Novosibirsk n 1: a city in the Asian part of Russia on the Ob river; largest city in Siberia