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

porosity

A measure of the spaces or voids in a material or aquifer often reported as the ratio of the volume of spaces in a rock, soil, or material to the total volume. This ratio is usually expressed as a percentage.

 

porosity [%] = (volume of spaces X 100%) / (total volume)