mudflow

noun

mud·​flow ˈməd-ˌflō How to pronounce mudflow (audio)
: a moving mass of soil made fluid by rain or melting snow
also : lahar

Examples of mudflow in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To Harland’s mind, these were all too expansive and widespread to have come from mudflows. Laura Poppick july 22, Literary Hub, 22 July 2025 While often called mudslides or mudflows, debris flows pose a unique threat due to their devastating power. Gordon G. Chang, Newsweek, 25 Jan. 2025 Intense rainfall, as common in tropical latitudes, and water vapor in the eruption column can mix with volcanic ash and debris, forming deadly mudflows called lahars by geologists after an Indonesian word for ravines on the slopes of a volcano. David Bressan, Forbes.com, 20 June 2025 This will help firefighters extinguish the fires still burning, however, may trigger mudflows in the areas that have been scorched in the blazes. Raul A. Reyes, Newsweek, 22 Jan. 2025 See All Example Sentences for mudflow

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of mudflow was in 1869

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Cite this Entry

“Mudflow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mudflow. Accessed 19 Aug. 2025.

Kids Definition

mudflow

noun
mud·​flow ˈməd-ˌflō How to pronounce mudflow (audio)
: a moving mass of mud made up of soil and rainwater or melted snow

More from Merriam-Webster on mudflow

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