mushroom cloud definition

  • noun:
    • A cloud of smoke and dirt shaped like a mushroom, specifically one developed by the detonation of a nuclear bomb.
    • a big, mushroom-shaped cloud of smoke, flame and debris that increases to the sky as a consequence of a sizable surge, specifically after a nuclear surge.
    • A cloud, particularly an ascending cloud, which spreads outward and downward at the very top in a questionnaire resembling that a mushroom.
    • a large cloud of rubble and dirt shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)
  • adjective:
    • a cloud of smoke rising and distributing laterally to take on the shape of a mushroom -- brought on by large fires or explosions, esp. nuclear explosions.

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