Glossary of Water and Wastewater Terms
A B C D E F G H I J K L M N O P Q R S T U V W Y Z5 random terms from our glossary
neutralization (noo-trull-uh-ZAY-shun)
Addition of an acid or alkali (base) to a liquid to cause the pH of the liquid to move toward a neutral pH of 7.0.
alkalinity (al-kuh-lin-it-tee)
The capacity of water or wastewater to neutralize acids. The alkalinity components include carbonate, bicarbonate, hydroxide, and occaisionally borate, silicate, and phosphate in the water or wastewater. Alkalinity is a measure of how much acid must be added to a liquid to lower the pH to 4.5, expressed in milligrams per liter equivalent calcium carbonate.
manometer (man-NAH-mut-ter)
An instrument for measuring pressure. Usually, a manometer is a glass tube filled with a liquid that is used to measure the difference in pressure across a flow-measuring device, such as an orifice or a Venturi meter. The instrument used to measure blood pressure is a type of manometer.
end bells
Devices used to hold the rotor and stator of a motor in position.
groundwater table
The average depth or elevation of the groundwater over a selected area. Also see artificial groundwater table, seasonal water table, and temporary groundwater table.
