[ lah-hahr ]
/ ˈlɑ hɑr /
a landslide of wet volcanic debris on the side of a volcano.
the deposit left by such a landslide.
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Origin of lahar
1925–30; <Javanese: lahar, lava
Words nearby lahar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for lahar
/ (ˈlɑːhɑː) /
a landslide of volcanic debris mixed with water down the sides of a volcano, usually precipitated by heavy rainfall
Word Origin for lahar
C20: from Javanese: lava
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
Scientific definitions for lahar
[ lä′här′ ]
A wet mass of volcanic fragments flowing rapidly downhill. Lahars usually contain ash, breccia, and boulders mixed with rainwater or with river or lake water displaced by the lava flow associated with the volcano.
The deposit produced by such a flowing mass.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.