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