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noun. ['pəˈluːʃən'] undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities.
Rhymes with Nonbiodegradable Pollution
noun. ['pəˈluːʃən'] the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors.
noun. ['pəˈluːʃən'] the state of being polluted.