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放射性降下物 (houshaseikoukabutsu) Japanese meaning | Kotomora
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A simulation was conducted to predict the spread of radioactive fallout.
After the nuclear accident, radioactive fallout was detected over a wide area.
Kanji 降 descend, precipitate, fall Related words 放ほう 射しゃ 性せい 物ぶっ 質しつ 放射性物質 is a broader term for any radioactive material, while 放射性降下物 specifically refers to airborne radioactive particles that settle on the ground.
死し の 灰はい 死の灰 (literally 'death ash') is a more dramatic, colloquial term for radioactive fallout, often used in historical or emotional contexts.
Etymology Compound of 放射性 (radioactivity) + 降下 (falling, descent) + 物 (thing, substance). A direct calque of English 'radioactive fallout'.
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