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  1. a volcano in SW Japan, in central Kyushu. 5225 feet (1593 meters); crater 12 miles (19 km) across.
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  1. Mount, a volcanic mountain in Japan, in central Kyushu, noted for its vast caldera. 5223 feet (1593 meters).
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Also called A·so·san [ah-soh-sahn] /ˌɑ soʊˈsɑn/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for asosan

Historical Examples

  • Asosan mountain, on the island of Kyushu, has the largest crater in the world.

    The Old World and Its Ways

    William Jennings Bryan

British Dictionary definitions for asosan


  1. a group of five volcanic cones in Japan on central Kyushu, one of which, Naka-dake, has the largest crater in the world, between 16 km (10 miles) and 24 km (15 miles) in diameter. Highest cone: 1592 m (5223 ft)Also called: Asosan (ˌɑːsəʊˈsɑːn)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012