contaminate

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con|tami|nate /kənt'æmɪneɪt/ (contaminates contaminating contaminated)
[VERB] be V-ed, V-ed
If something is contaminated by dirt, chemicals, or radiation, they make it dirty or harmful.
Have any fish been contaminated in the Arctic Ocean?
...vast tracts of empty land, much of it contaminated by years of army activity.
● contaminated [ADJ]
Nuclear weapons plants across the country are heavily contaminated with toxic wastes...
More than 100,000 people could fall ill after drinking contaminated water.
● contamination [N-UNCOUNT] usu with supp
The contamination of the sea around Capri may be just the beginning.

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