Water and Wastewater Terms Beginning P

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

permeate (PURR-me-ate)

(1) To penetrate and pass through, as water penetrates and passes through soil and other porous materials. (2) The liquid (demineralized water) produced from membrane filtration processes that contains a low concentration of dissolved solids.