| Coulomb

—The practical unit of electrical quantity; it is the quantity of electricity delivered by a current of one ampere maintained for one second of time. <A coulomb of electricity would pa in one second in a circuit whose resistance is one ohm when the pre ure is one volt; the quantity of electricity which a condenser of one farad capacity will absorb when subjected to a pre ure of one volt. The coulomb received its name in honor of the French experimenter.