Definition of contamination noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//kənˌtæmɪˈneɪʃn//
    ; NAmE NAmE//kənˌtæmɪˈneɪʃn//
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  1. 1the process or fact of making a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease synonym adulteration radioactive contamination bacterial/chemical contamination Environmental contamination resulting from human activities is a major health concern. opposite decontamination see also cross-contamination
  2. 2(formal) the act of influencing people's ideas or attitudes in a bad way They feared cultural contamination from the influx of tourists.

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