B2 noun kənˌtæm.ɪˈneɪ.ʃən
contamination
загрязнение
Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
Загрязнение воздуха вызывает проблемы со здоровьем.