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
GIS
See geographic information system.
drift
The difference between the actual value and the desired value (or set point); characteristic of proportional controllers that do not incorporate reset action. Also called offset.
primary clarifier
A wastewater treatment device that consists of a rectangular or circular tank that allows those substances in wastewater that readily settle or float to be separated from the wastewater being treated.
electron
A very small, practically weightless, negatively charged particle of an atom that determines its chemical properties. According to the electron theory, all electrical and electronic effects are caused either by the movement of electrons from place to place or because there is an excess or lack of electrons at a particular place.
filled dip
See dip.
