noun
Historical and political term for the alleged threat to Western civilization posed by East Asians. Often used in discussions of early 20th-century racism and propaganda.
黄禍論は、20世紀初頭に欧米で広まった人種差別的な考え方だ。
The Yellow Peril theory is a racist idea that spread in the West in the early 20th century.
noun
harm from train toilet waste
Obsolete colloquial term for the environmental harm caused by dumping human waste from train toilets onto the track. Now only of historical interest.
昔の列車では、トイレの汚物を線路に捨てていたため、黄禍と呼ばれる問題があった。
On old trains, human waste was dumped from toilets onto the track, causing a problem called 'yellow harm'.