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English definition of “pollution”

pollution

noun [U]     /pəˈluː.ʃən/
B1 damage caused to water , air , etc. by harmful substances or waste : air / water pollution The manifesto includes tough measures to tackle road congestion and environmental pollution.Environmental issuesRubbish and wasteProtection and protectorsDirt and untidiness
(Definition of pollution noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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