a unit, as an abampere, in the system of units derived from the magnetic effects of an electric current. Abbreviation: emu, EMU
Origin of electromagnetic unit
First recorded in 1910–15
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Any of various units, such as the abampere and the stilb, used in the centimeter-gram-second system of units to describe electric and magnetic field strengths, electric current strengths, and other quantities associated with electromagnetism.
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