noun
combined pollution; multiple contamination
Refers to environmental pollution caused by multiple pollutants acting together, often with synergistic effects. Used in technical and environmental contexts.
複合汚染は単一の汚染物質よりも深刻な影響を与えることがある。
Combined pollution can have more serious effects than a single pollutant.
Compound of 複合 (fukugō, 'compound, composite') and 汚染 (osen, 'pollution, contamination').