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energy definition

en·ergy (en′ər jē)

noun pl. energies -·gies

  1. force of expression or utterance
    1. potential forces; inherent power; capacity for vigorous action
    2. such forces or power, esp. in action to apply all one's energies
  3. strength or power efficiently exerted
    1. those resources, as petroleum, coal, gas, wind, nuclear fuel, and sunlight, from which energy in the form of electricity, heat, etc. can be produced
    2. the available supply of such usable resources an energy shortage
  5. Physics the capacity for doing work: abbrev. E

Etymology: LL energia < Gr energeia < energēs, active, at work < en-, in + ergon, work

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical energy definition - medical

telecom energy definition - telecom

energy Synonyms

energy

n.

  1. One's internal powers

    force, power, vigor, vitality, strength, stamina, dynamism, vim, spirit, pep*, get-up-and-go*, starch*, steam*; see also enthusiasm 1, strength 1, vitality.

  2. Vigor in expression or action

    effectiveness, drive, vehemence; see force 3.

  3. Power developed or released by a device

    horsepower, reaction, response, power, pressure, thrust, propulsion, potential energy, kinetic energy, atomic energy, solar energy, thermonuclear power, foot-pounds, magnetism, friction, voltage, kilowatts, kilowatt-hours, current, service, dynamism, electricity, hydroelectric power, gravity, heat, conductivity, suction, elasticity, rays, radioactivity, potential, burn, critical burn, power descent, PD, gas mileage, fuel consumption. See syn. study at strength.strength.


Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

energy Usage Examples

Converse of object

  • save: Energy saving Ten ways in which you can save energy in the home.

Adjective modifier

  • renewable: The renewable energy they do produce is exempt from the Climate Change Levy.

Modifies a noun

  • efficiency: The energy efficiency of much of the UK's housing is, thus, poor or very poor.

Noun used with modifier

  • wind: At the end of 1995 there were 1,300 people directly employed in wind energy in the UK.
energy usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

energy quotes

Science is an all-pervasive energy, for it is at once a mode of thought, a source of strong emotion, and a faith as fanatical as any in history.

-Barzun,Jacques

But Fonstein belonged to an even more advanced category†their aim is to convert weaknesses and secrets into burnable energy. A first-class man subsists on the matter he destroys, just as the stars do.

-Bellow, Saul

Without contraries is no progression. Attraction and repulsion, reason and energy, love and hate, are necessary to human existence.

-Blake,William

energy quotes (more)

Webster's New World Dictionary of Quotations Copyright © 2005 by Chambers Harrap Publishers Ltd. All rights reserved. Published by Wiley, Hoboken, NJ. Used by arrangement with John Wiley & Sons, Inc.

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"energy." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/energy>

APA Style

energy. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/energy

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