Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “mushroom cloud”

mushroom cloud

noun [C usually singular]    
a very large cloud of dust that rises into the air in the shape of a large mushroom , especially after a nuclear explosion : The mushroom cloud over Hiroshima is a horrific image of war .Bombs and missiles
(Definition of mushroom cloud noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of mushroom cloud

Browse related topics

You are looking at an entry to do with Bombs & missiles, but you might be interested in these topics from the Weapons and explosives topic area:

Translations of “mushroom cloud”

Word of the Day

as husband and wife

in the same way as two people who are married

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More