A type of substance often found in the earth that is typically hard, shiny, and a good conductor of heat and electricity.

An undesirable substance found in a product or the environment, often derived from industrial pollution or improper disposal.

प्रदूषक

English Usage: The water supply was tested for metallic contaminants that could pose a health risk.

Hindi Usage: जल स्रोत का परीक्षण ऐसे धातु प्रदूषकों के लिए किया गया जो स्वास्थ्य के लिए खतरा बन सकते हैं।