Jisho

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こうがい 公害
Common word JLPT N2 Wanikani level 20 Play audio Links
Noun
1. pollution; public nuisance; contamination​
Wikipedia definition
2. Pollution​Pollution is the introduction of contaminants into a natural environment that causes instability, harm, or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.
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