contaminate
/kənˈtæmɪneɪt/ verb [T] ENVIRONMENTDefinition
› to make something less pure or make it poisonous: The government recently reported that 10% of farmland has been destroyed by pollution and that heavy metals contaminate 12 million tons of grain a year. There are fears that exported products could contaminate food supplies abroad.
contamination noun [U] › The report concluded that bacterial contamination at the factory could occur no matter what technology was being used.(Definition of contaminate verb from the Cambridge Business English Dictionary
© Cambridge University Press)
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