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fallout

Pronunciation: /ˈfɔːlaʊt/

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Definition of fallout

noun

[mass noun]
  • 1radioactive particles that are carried into the atmosphere after a nuclear explosion and gradually fall back as dust or in precipitation: [as modifier]:a fallout shelter
  • [usually with modifier] airborne substances resulting from an industrial process or accident:acid fallout from power stations
  • 2the adverse results of a situation or action:he’s prepared to take calculated risks regardless of political fallout

fallout in other Oxford dictionaries

Definition of fallout in the US English dictionary