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electromotive force

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noun Electricity.
  1. 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
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Origin of electromotive force

First recorded in 1825–35
Also called pressure.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for electromotive force

locomotion, propulsion, motivity

Examples from the Web for electromotive force

Historical Examples of electromotive force

  • The electromotive-force equation of the alternator will be first deduced, and subsequently that of the continuous-current machine.

    Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 9

    Various

  • The fundamental “electromotive-force equation” of the heteropolar alternator can now be given a more definite form.


British Dictionary definitions for electromotive force

electromotive force

noun
  1. physics
    1. a source of energy that can cause a current to flow in an electrical circuit or device
    2. the rate at which energy is drawn from this source when unit current flows through the circuit or device, measured in voltsAbbreviation: emf, EMF Symbol: E Compare potential difference
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

electromotive force in Medicine

electromotive force

(ĭ-lĕk′trō-mōtĭv)
n.
  1. The energy per unit charge that is reversibly converted from chemical or other forms of energy into electrical energy in a battery.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

electromotive force in Science

electromotive force

  1. 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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.