This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Something that pollutes, especially a waste material that contaminates air, soil, or water.

n. A foreign substance that makes something dirty, or impure, especially waste from human activities.

n. waste matter that contaminates the water or air or soil

"It was the Supreme Court, not the EPA, that decided in 2007 that carbon dioxide meets the definition of pollutant under the Clean Air Act—a law enacted by a democratically elected Congress and signed by a democratically elected President, George H.W. Bush."

waste    waste material    waste product    waste matter   

chlorofluorocarbon    sulfur dioxide    halon    DDT    nitrogen oxide    sulphur dioxide    dichlorodiphenyltrichloroethane    CFC   

mutant   

contaminant    pesticide    dioxide    pollution    monoxide    ozone    toxin    particulates    by-product    hydrocarbon