1. substances that contaminate or make impure the environment, especially air, water, or soil
Usage: plural form of pollutant

Examples

• Industrial pollutants have contaminated the river for decades.
• Air pollutants from car exhaust contribute to smog formation.
• The factory was fined for releasing chemical pollutants into the atmosphere.
• Scientists are studying how plastic pollutants affect marine life.
• New regulations aim to reduce pollutants from power plants.
• Agricultural pollutants can seep into groundwater supplies.
• The city monitors pollutants in the air quality index daily.