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pollution Definition
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pollution
noun(pol-lu-tion)the action of polluting especially by environmental contamination with man-made waste; also : the condition of being polluted
pollution
noun(pol-lu-tion)pollutant
pollution
noun(pol-lu-tion)artificial skylight (as from city lights) that interferes especially with astronomical observations
pollution
noun(pol-lu-tion)annoying or harmful noise (as of automobiles or jet airplanes) in an environment
pollution
noun(pol-lu-tion)the discharge of heated liquid (such as wastewater from a factory) into natural waters at a temperature harmful to the environment