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being mixed with extraneous material; the product of adulterating
the state of impairing the quality or reducing the value of something
the state of being contaminated
the state of containing dirty impurities
the state of being putrid
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
state of being contaminated with dust
pollution that is rendered harmless by natural processes and so causes no permanent harm
pollution that accumulates in the environment and may appear in the food chain
pollution of the atmosphere
noise pollution, sound pollution
annoying and potentially harmful environmental noise
harm to lakes and rivers resulting from the release of excessive waste heat into them
pollution of the water in rivers and lakes