| Noun | 1. | quantity unit - a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows) electromagnetic unit, emu - any of various systems of units for measuring electricity and magnetism ampere-second, coulomb, C - a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second abcoulomb - a unit of electrical charge equal to 10 coulombs ampere-minute - a unit of charge equal to 60 coulombs ampere-hour - a unit of charge equal to 3600 coulombs |