Learn how to say Fallout correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word fallout:
1radioactive particles that are carried into the atmosphere after a nuclear explosion and gradually fall back as dust or in precipitation:
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