lahar(redirected from Lahars)
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lahar flowing from the crater of Mt. St. Helens
March 19, 1982
1. A mass of volcanic fragments, often mixed with water, moving rapidly down the side of a volcano.
2. The deposit produced by a lahar.
[Javanese, lava, lahar; akin to Hanunó'o (Malayo-Polynesian language of Mindoro) l´ʔad, dry streambed, arroyo, and Malay dialectal (Thailand and northern peninsular Malaysia) lahar, pool of water in the jungle.]
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.
(Geological Science) a landslide of volcanic debris mixed with water down the sides of a volcano, usually precipitated by heavy rainfall
[C20: from Javanese: lava]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014