noun
lead pollution; lead poisoning
Refers to environmental contamination or health damage caused by lead. Often used in contexts of industrial pollution or public health.
鉛害対策として、水道管の交換が進められている。
As a measure against lead pollution, replacement of water pipes is being promoted.
工場周辺で鉛害が深刻化している。
Lead contamination is becoming serious around the factory.
Compound of 鉛 (lead) and 害 (harm, damage). The exact historical derivation is uncertain, but the term likely emerged in modern times with increased awareness of industrial lead hazards.