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Definition of Water pollution

Water pollution Definition from Language, Idioms & Slang Dictionaries & Glossaries
hEnglish - advanced version

water pollution
n : pollution of the water in rivers and lakes

WordNet 2.0

1. pollution of the water in rivers and lakes
(hypernym) pollution
Water pollution Definition from Science & Technology Dictionaries & Glossaries
Fishery Glossary
Presence in water of harmful and objectionable material - obtained from sewers, industrial wastes and rainwater run-off - in sufficient concentrations to make it unfit for use. United Nations (1997)
Water pollution Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

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Water pollution Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
the act of making water impure or the state of water being impure.