wef.org

Website:https://www.wef.org/
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Definitions (415)

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chemical pollution


introduction of chemical contaminants into a water body.
Source: wef.org

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silage


livestock food prepared by storing and fermenting green forage plants in a silo.
Source: wef.org

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treatment plant


facility for cleaning and treating fresh water for drinking, or cleaning and treating wastewater before discharging into a water body.
Source: wef.org

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wastewater treatment


physical, chemical, and biological processes used to remove pollutants from wastewater before discharging it into a water body.
Source: wef.org

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abandoned well


any well (drinking water, oil and gas, etc.) which is not used for a long period of time, is not maintained properly, and/or is not properly sealed when its useful life is over.
Source: wef.org

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acidity


the strength (concentration of hydrogen [H+] ions) of an acidic substance; measured as pH.
Source: wef.org

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acid rain


rain with a pH of less than 5.6; results from atmospheric moisture mixing with sulphur and nitrogen oxides emitted from burning fossil fuels or from volcanic activity; may cause damage to buildings, monuments, car finishes, crops, forests, wildlife habitats, and aquatic life.
Source: wef.org

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the act to prevent pollution from ships


legislation regulating the discharge of oil, noxious liquid substances, or garbage generated during normal operations of vessels.
Source: wef.org

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adhesion


force of attraction between two unlike materials.
Source: wef.org

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aeration


the process of exposing to circulating air.
Source: wef.org


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