Water and Wastewater Terms Beginning N

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

nephelometric (neff-el-o-MET-rick)

A means of measuring turbidity in a sample by using an instrument called a nephelometer. A nephelometer passes light through a sample and the amount of light deflected (usually at a 90-degree angle) is then measured.