Electrical dipole moment In physics, the electric dipole moment is a measure of the separation of positive and negative electrical charges in a system of electric charges, that is, a measure of the charge system's overall polarity. The SI units are Coulomb-meter (C m). [Wikipedia: https://en.wikipedia.org/wiki/Electric_dipole_moment] Electricity and Magnetism QUDT http://qudt.org/vocab/quantity#ElectricDipoleMoment ODM2 Units Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of the Unit or the more general quantity that the Unit represents.