ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  air pollution - pollution of the atmosphere; "air pollution reduced the visibility"pollution - undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities acid precipitation, acid rain - rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water industrial air pollution - pollution resulting from an industrial plant discharging pollutants into the atmosphere miasm, miasma - unhealthy vapors rising from the ground or other sources; "the miasma of the marshes"; "a miasma of cigar smoke" small-particle pollution - air pollution caused by fine particles of soot (as from power plants or diesel engines) smog, smogginess - air pollution by a mixture of smoke and fog |
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