fallout /
AmE ˈfɔlˌaʊt

,
BrE ˈfɔːlaʊt
/ noun
1 [uncountable]:
(after nuclear explosion) lluvia f radiactiva, precipitación f radiactiva (before noun): fallout shelter refugio m antinuclear or antiatómico
2 [uncountable and countable]: (side effect) secuela f