B2 verb /kənˈtæmɪneɪt/
contaminate
प्रदूषित करना
Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
नदी औद्योगिक कचरे से प्रदूषित हो गई थी।