• noun
• synonym
• antonym

• air pollution (noun)
  1. pollution of the atmosphere
• biodegradable pollution (noun)
  1. pollution that is rendered harmless by natural processes and so causes no permanent harm
• industrial air pollution (noun)
  1. pollution resulting from an industrial plant discharging pollutants into the atmosphere
• light pollution (noun)
  1. an excess of artificial light, especially near urban developments, reducing visibility of stars etc. in the night sky
• noise pollution (noun)
  1. very loud or continuous noise which is considered unpleasant and harmful to people
• nonbiodegradable pollution (noun)
  1. pollution that accumulates in the environment and may appear in the food chain
• small-particle pollution (noun)
  1. as from power plants or diesel engines air pollution caused by fine particles of soot
• sound pollution (noun)
  1. annoying and potentially harmful environmental noise
• thermal pollution (noun)
  1. harm to lakes and rivers resulting from the release of excessive waste heat into them
• water pollution (noun)
  1. pollution of the water in rivers and lakes
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