Meaning of FALLOUT in English

FALLOUT

fall ‧ out /ˈfɔːlaʊt $ ˈfɒːl-/ BrE AmE noun [uncountable]

1 . the dangerous ↑ radioactive dust which is left in the air after a ↑ nuclear explosion and which slowly falls to earth:

protection against radioactive fallout

2 . the results of a particular event, especially when they are unexpected:

The political fallout of the affair cost him his job.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.