Definition of thunderflash in English:

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Pronunciation: /ˈθʌndəflaʃ/


A noisy but harmless pyrotechnic device used especially in military exercises.
Example sentences
  • We managed to scare the bear away using 30 mm rubber bullets and thunderflashes - a kind of pyrotechnic or firework.
  • Or all three so we had to back it up with firing off a thunderflash from a hand pistol.
  • By 1 pm at the latest, the MPs were dead and though a British army Chinook, dropping thunderflashes and possibly firing, had arrived, it was too late.
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