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pol·lu·tion

pollution

 
 
pronunciation:
p lu shn
features:
Word History, Word Explorer
part of speech: noun
definition 1: an act or instance of polluting.
The company paid a fine for its pollution of the soil near the factory.
definition 2: poisons, wastes, or other materials that pollute.
The sky over the city is filled with pollution.Pollution in the lake is killing the fish.
 
Word History
Pollution comes from a Latin word that means "to make filthy." The Latin word for mud is lutum.
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