flash flood

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Origin of flash flood

First recorded in 1935–40

Synonyms for flash flood

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See flood.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for flash flood

torrent, deluge, freshet, waterflood

British Dictionary definitions for flash flood

flash flood

  1. a sudden short-lived torrent, usually caused by a heavy storm, esp in desert regions
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

flash flood in Science

flash flood

  1. A sudden, localized flood of great volume and short duration, typically caused by unusually heavy rain in a semiarid area. Flash floods can reach their peak volume in a matter of a few minutes and often carry large loads of mud and rock fragments.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.