electromotive force

electromotive force

noun Electricity.
the energy available for conversion from nonelectric to electric form, or vice versa, per unit of charge passing through the source of the energy; the potential difference between the terminals of a source of electrical energy: expressed in volts. Abbreviation: emf
Also called pressure.


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World English Dictionary
electromotive force
 a.  a source of energy that can cause a current to flow in an electrical circuit or device
 b.  Compare potential difference emf, Abbreviation: EMF, E the rate at which energy is drawn from this source when unit current flows through the circuit or device, measured in volts

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American Heritage
Medical Dictionary

electromotive force e·lec·tro·mo·tive force (ĭ-lěk'trō-mō'tĭv)
Abbr. EMF
The energy per unit charge that is reversibly converted from chemical or other forms of energy into electrical energy in a battery.

The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
electromotive force  
Electric potential or voltage. Electromotive force is not really a force, but a measure of how much work would be done by moving an electric charge.
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