mushroom cloud

noun

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


MUSHROOM CLOUD Defined for English Language Learners

mushroom cloud

noun

Definition of mushroom cloud for English Language Learners

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


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