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[muhd-floh] /ˈmʌdˌfloʊ/
noun, Geology
a flow of mixed earth debris containing a large amount of water.
the dried-out product of such a flow.
Also called mud slide, mudspate.
Origin of mudflow
1900-05; mud + flow Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for mudflow
  • Persons can be swept away by a surge of water run off, mudflow, or debris flow.
  • Clay and water in the debris cause further change to a liquid slurry known as a debris flow or mudflow.
  • The danger from a mudflow increases near stream channels and with prolonged heavy rains.
  • Remember that flooding may occur after a mudflow or a landslide.
  • In mudflow areas, build channels or deflection walls to direct the flow around buildings.
  • Try to get out of the path of the landslide or mudflow.
British Dictionary definitions for mudflow


(geology) a flow of soil or fine-grained sediment mixed with water down a steep unstable slope
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
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mudflow in Science
A downhill movement of soft, wet, unconsolidated earth and debris, made fluid by rain or melted snow and often building up great speed.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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