Water and Wastewater Terms Beginning A

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

aspirate (AS-per-rate)

Use of a hydraulic device (aspirator or eductor) to create a negative pressure (suction) by forcing a liquid through a restriction, such as a Venturi tube. An aspirator may be used in the laboratory in place of a vacuum pump; sometimes used instead of a sump pump.