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
n factor
A coefficient value representing the pipe or channel roughness in Manning's formula for computing flows in gravity sewers. Also see friction loss and Manning’s formula.
palatable (PAL-uh-tuh-bull)
Water at a desirable temperature that is free from objectionable tastes, odors, colors, and turbidity. Pleasing to the senses.
alternating current (AC)
An electric current that reverses its direction (positive/negative values) at regular intervals.
mixed liquor volatile suspended solids (MLVSS)
The amount (mg/L) of organic or volatile suspended solids in the mixed liquor of an aeration tank. This volatile portion is used as a measure or indication of the microorganisms present.
prestressed
A prestressed pipe has been reinforced with wire strands (which are under tension) to give the pipe an active resistance to loads or pressures on it.
