Definition of Tunguska in English:


proper noun

  • Two rivers in Siberian Russia, the Lower Tunguska and Stony Tunguska, flowing westwards into the Yenisei River through the forested, sparsely populated Tunguska Basin. The area was the scene in 1908 of a devastating explosion believed to have been due to the disintegration in the atmosphere of a meteorite or small comet.