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mushroom cloud

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noun
  1. mushroom(def 4).
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Origin of mushroom cloud

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for mushroom cloud

fallout

British Dictionary definitions for mushroom cloud

mushroom cloud

noun
  1. the large mushroom-shaped cloud of dust, debris, etc produced by a nuclear explosion
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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