Topic: CHEMISTRY
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| Date: | 1400-1500 |
| Language: | Latin |
| Origin: | , past participle of contaminare, from contamen 'contact' |
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con‧tam‧i‧nate
[transitive]
[transitive]1HCSGE to make a place or substance dirty or harmful by putting something such as chemicals or poison in it : 
Drinking water supplies are believed to have been contaminated.
Drinking water supplies are believed to have been contaminated.2 to influence something in a way that has a bad effect : He claims the poster ads have 'contaminated Berlin's streets'.
He claims the poster ads have 'contaminated Berlin's streets'. —contamination
noun [uncountable] radioactive contamination
noun [uncountable] radioactive contamination
