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mushroom cloud

noun

Simple Definition of mushroom cloud

  • : a large cloud that forms after an explosion; especially : a cloud that is caused by the explosion of a nuclear weapon

Source: Merriam-Webster's Learner's Dictionary

Full Definition of mushroom cloud

  1. :  a mushroom-shaped cloud; specifically :  one caused by the explosion of a nuclear weapon

Circa 1909

First Known Use of mushroom cloud

circa 1909

Rhymes with mushroom cloud


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