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English definition of “fireball”

fireball

noun [C]     /ˈfaɪə.bɔːl/ US  /ˈfaɪr.bɑːl/
a large ball of fire, especially one caused by a very powerful explosion: Witnesses reported seeing a huge orange fireball as the oil refinery exploded.Fire and flameFire service
(Definition of fireball noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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