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Noun: fireball  'fI(-u)r,bol
  1. An especially luminous meteor (sometimes exploding)
    - bolide
  2. A highly energetic and indefatigable person
    - powerhouse, human dynamo, ball of fire [informal]
  3. A ball of fire (such as the sun or a ball-shaped discharge of lightning)
  4. The luminous centre of a nuclear explosion

Derived forms: fireballs

Type of: actor, ball, doer, falling star, globe, meteor, orb, shooting star, worker

Part of: atomic explosion, nuclear explosion

Encyclopedia: Fireball