pollution
3 ENTRIES FOUND:
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Learner's definition of POLLUTION
[noncount]
1
:
the action or process of making land, water, air, etc., dirty and not safe or suitable to use
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industrial practices that have caused pollution of the air and water
2
:
substances that make land, water, air, etc., dirty and not safe or suitable to use
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see also light pollution, noise pollution
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The tests showed high levels of pollution in the water/air.
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The fish are dying of/from pollution.
