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We found 21 dictionaries with English definitions that include the word mushroom cloud: Click on the first link on a line below to go directly to a page where "mushroom cloud" is defined. General (20 matching dictionaries) mushroom cloud: American Heritage Dictionary of the English Language [home, info] mushroom cloud: Collins English Dictionary [home, info] mushroom cloud: Vocabulary.com [home, info] mushroom cloud: Macmillan Dictionary [home, info] mushroom cloud: Merriam-Webster's Online Dictionary, 11th Edition [home, info] mushroom cloud: Wordnik [home, info] mushroom cloud: Cambridge Advanced Learner's Dictionary [home, info] mushroom cloud: Wiktionary [home, info] mushroom cloud: Compact Oxford English Dictionary [home, info] mushroom cloud: Infoplease Dictionary [home, info] mushroom cloud: Dictionary.com [home, info] Mushroom Cloud, Mushroom-cloud: Wikipedia, the Free Encyclopedia [home, info] mushroom cloud: Rhymezone [home, info] mushroom cloud: Free Dictionary [home, info] mushroom cloud: Mnemonic Dictionary [home, info] mushroom cloud: WordNet 1.7 Vocabulary Helper [home, info] mushroom cloud: LookWAYup Translating Dictionary/Thesaurus [home, info] mushroom cloud: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) Mushroom-cloud, mushroom cloud: Encyclopedia [home, info]

Quick definitions from WordNet (mushroom cloud) ▸ noun:  a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)