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nounthe act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
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nounthe state of being polluted
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nounundesirable state of the natural environment being contaminated with harmful substances as a consequence of human activitiestype of:
Definition that contains pollution
- water pollution pollution of the water in rivers and lakes
- industrial air pollution pollution resulting from an industrial plant discharging pollutants into the atmosphere
- nonbiodegradable pollution pollution that accumulates in the environment and may appear in the food chain
- air pollution pollution of the atmosphere
- biodegradable pollution pollution that is rendered harmless by natural processes and so causes no permanent harm