Water and Wastewater Terms Beginning C

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

coulomb (KOO-lahm)

A measurement of the amount of electrical charge carried by an electric current of 1 ampere in 1 second. One coulomb equals about 6.25 × 10¹⁸ electrons (6,250,000,000,000,000,000 electrons).