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English definition of “pollution”

pollution

noun [U] uk   /pəˈluː.ʃən/ us  
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 from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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