Mushroom-cloud meaning

A cloud of smoke and debris shaped like a mushroom, especially one created by the detonation of a nuclear bomb.
noun
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An enormous, mushroom-shaped cloud of radioactive debris, water vapor, etc., resulting from an aboveground nuclear explosion.
noun
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A large cloud of smoke, flame and debris that rises into the sky as a result of a large explosion, especially after a nuclear explosion, characterized by a long shaft rising from the ground into a much larger or more spread out top, reminiscent of a mushroom in shape.
noun
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