contamination
//kənˌtæmɪˈneɪʃən//
Noun
contaminationSingular
contaminationsPlural
1
The action or state of making or being made impure by polluting or poisoning.
The contamination of the river by industrial waste has affected the local ecosystem.
2
The presence of a harmful or unwanted substance in something.
The contamination of the water supply forced residents to use bottled water.
3
The process by which something is corrupted or tainted.
The contamination of the water supply affected the entire community.