Meaning of FALLOUT in English

FALLOUT

noun Date: 1949 1. the often radioactive particles stirred up by or resulting from a nuclear explosion and descending through the atmosphere, descent (as of ~) through the atmosphere, a secondary and often lingering effect, result, or set of consequences

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.