rock that has been contaminated by pollutants

पर्यावरणीय प्रदूषकों द्वारा प्रभावित चट्टान

English Usage: The contaminated rock was considered unsafe for construction.

Hindi Usage: प्रदूषित चट्टान निर्माण के लिए असुरक्षित मानी गई।

polluted or tainted

प्रदूषित या खराब

English Usage: The contaminated water was unfit for drinking.

Hindi Usage: प्रदूषित पानी पीने के लिए अनुपयुक्त था।