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 (to͝ong-go͞o′skə, to͞on-)
The name of three rivers of central Russia. The Upper Tunguska is the lower course of the Angara River. The Lower Tunguska flows about 2,990 km (1,860 mi) north and west to the Yenisey River. The Stony Tunguska, about 1,865 km (1,160 mi) long, flows generally west-northwest to the Yenisey.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Russian tunˈɡuskə)
(Placename) any of three rivers in Russia, in central Siberia, all tributaries of the Yenisei: the Lower (Nizhnyaya) Tunguska 2690 km (1670 miles) long; the Stony (Podkamennaya) Tunguska 1550 km (960 miles) long; the Upper (Verkhnyaya) Tunguska which is the lower course of the Angara. The area was the scene in 1908 of a massive explosion believed to have been the result of the disintegration in the atmosphere of a small comet or meteorite
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(tʊŋˈgu skə)

any of three tributaries (Lower Tunguska, Stony Tunguska, and Upper Tunguska) of the Yenesei River in the central Russian Federation in Asia.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Tunguska - a river in Siberia that flows northwest to become a tributary of the Yenisei River
Siberia - a vast Asian region of Russia; famous for long cold winters
2.Tunguska - a river that arises to the north of Lake Baikal and flows north and west to the Yenisei River
Siberia - a vast Asian region of Russia; famous for long cold winters
3.Tunguska - a river in southeastern Siberia that flows northwest from Lake Baikal to become a tributary of the Yenisei River
Siberia - a vast Asian region of Russia; famous for long cold winters
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
To put it into perspective, the meteor that caused the Tunguska event in Russia in 1908 was about 620 feet long, making it around three times smaller than 2006 QQ23.
It was the single largest recorded meteor strike in more than a century, after the Tunguska Event of 1908, which wiped out hundreds of square miles of forest in Eastern Russia.
The Tunguska event, named for a river, flattened trees for 800 square miles.
This may sound far-fetched until we consider that a similar event took place as recently as 1908 in the Tunguska region of Russia.
The only naturally occurring event capable of causing such an unusual pattern of destruction, Silvia said, is a cosmic airburst -- something that has occurred occasionally throughout Earth's history, such as the explosion in 1908 at Tunguska in Siberia.
June 30 is the anniversary of the Tunguska impact, also known as the Tunguska event.
The so-called Tunguska event in 1908 involved an object more than twice as large, at around 50 m.
There is only one event that could be explained by the collision of the superphoton with the earth--this is the Tunguska phenomenon.
The system is a further development of 2K22 Tunguska (NATO reporting name: SA-19/SA-N-11) and represents the latest air defense technology by using phased array radars for both target acquisition and tracking.
The United Nations on December 7, 2016 officially recognised the annual and international "Asteroid Day" event that will take place on June 30 of each year, in order to mark the greatest impact in the world recent history on Earth, the Tunguska event in Siberia, which had devastated a forest of more than 1200 square kilometres.
On that day in 1908, a small asteroid exploded over Tunguska in Siberia and devastated 800 square miles.