Electrostatic-unit
noun, Electricity.
1.
a unit, as a statampere, in the system of electric units derived from the force of repulsion between two static charges.
Abbreviation: esu, ESU.
noun
1.
any unit that belongs to a system of electrical cgs units in which the electric constant is given the value of unity and is taken as a pure number Abbreviation ESU, e.s.u. Compare electromagnetic unit
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