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/pəˈl(j)uːtənt/ · noun
A foreign substance that makes something dirty, or impure, especially waste from human activities..
Acid rain forms when water in the atmosphere condenses on particles containing acid-forming pollutants, such as sulfate produced by the burning of fossil fuels and nitrogen oxides from automobile exhausts.
Use pollutant when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pollutant means A foreign substance that makes something dirty, or impure, especially waste from human activities..
Common synonyms include adulterant, contamination, pollution, adulterator.
The opposite depends on the specific sense.
Acid rain forms when water in the atmosphere condenses on particles containing acid-forming pollutants, such as sulfate produced by the burning of fossil fuels and nitrogen oxides from automobile exhausts.
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