Определение electromagnetic unit в Английский Язык Английский Язык словарь
Any of the various units to measure electricity and magnetism in the CGS (now replaced by SI) system of units; abbreviated emu or EMU
Any of various systems of units for electricity and magnetism based on a system of equations in which the permeability of free space is taken as unity and by means of which the abampere is defined as the fundamental unit of current