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
Angstrom (ANG-strem)
A unit of length equal to 1/10 of a nanometer or 1/10 billionth of a meter (1 Angstrom = 0.000 000 000 1 meter). One Angstrom is the approximate diameter of an atom.