nuclear fallout

Etymology
In reference to such material falling out of the sky.

Noun

 * 1)  Residual radioactive material in the upper atmosphere which settles down to Earth over a protracted period; typically ash which has been propelled upwards by a nuclear explosion or disaster, sometimes mixed with rain or snow.
 * 2)  An event in which this occurs, generally perceived as an ecological disaster due to the distribution of irradiated material over a much larger area than the zone directly affected by the original event.

Translations

 * Arabic: تَهَاطُل نَوَوِيّ
 * Armenian: ճառագայթաակտիվ նստվածք
 * Basque: euri erradioaktibo
 * Belarusian: радыёакты́ўны аса́дак
 * Bulgarian:
 * Catalan: pluja radioactiva
 * Chinese:
 * Mandarin:
 * Czech: radioaktivní spad
 * Danish: radioaktivt nedfald
 * Dutch:
 * Faroese: geislavirkið avfall
 * Finnish: radioaktiivinen laskeuma
 * French: retombée radioactive
 * German: radioaktiver Niederschlag
 * Greek: ραδιενεργό νέφος
 * Hebrew: נשורת גרעינית
 * Hindi:
 * Hungarian: radioaktív hulladék, radioaktív szennyeződés, radioaktív csapadék
 * Italian: fallout nucleare
 * Japanese: 放射性降下物, 死の灰
 * Kazakh:
 * Korean:
 * Polish: opad promieniotwórczy
 * Portuguese: chuva radioativa, chuva negra
 * Romanian: precipitație radioactivă
 * Russian: радиоакти́вный оса́док
 * Sardinian: aba proja radioativa
 * Serbo-Croatian: nuklearne padaline, radioaktivne padaline
 * Cyrillic: нуклеарне падавине
 * Roman: nuklearne padavine
 * Slovak: rádioaktívny spad
 * Slovene:
 * Spanish: lluvia radiactiva
 * Swedish: radioaktivt nedfall
 * Thai: ฝุ่นรังสีนิวเคลียร์
 * Turkish: radyoaktif bulut
 * Ukrainian: радіоакти́вний оса́д
 * Urdu: