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energy Definition

en·ergy (enər jē)

noun pl. -·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
  2. 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
  3. Physics the capacity for doing work: abbrev. E

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

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.

energy Telecom Definition
  1. In physics, the capacity of a system for doing work. It took a lot of energy to write this book. (Take my word for it, so to speak.) See also physics.
  2. In physics, referring to a source of energy, electrical, mechanical, or otherwise.
energy Usage Examples

Converse of object

  • save: Energy saving Ten ways in which you can save energy in the home.
  • conserve: The other area we have to look at is how to conserve more energy in existing buildings, particularly housing.
  • expend: Total daily energy expenditure ( TDEE ) is just that -- the sum total of energy expended over a day.
  • absorb: Viscid silk also needs to absorb the kinetic energy of the fly, corresponding to a high value.
  • embody: This is known as ' embodied energy ' and we consider it later in this guide.

Adjective modifier

  • renewable: The renewable energy they do produce is exempt from the Climate Change Levy.
  • kinetic: Viscid silk also needs to absorb the kinetic energy of the fly, corresponding to a high value.
  • solar: Burning buried sunshine: human consumption of ancient solar energy.
  • nuclear: Reay brings up the old canard about the total fuel cycle costs for nuclear energy.

Modifies a noun

  • efficiency: The energy efficiency of much of the UK's housing is, thus, poor or very poor.
  • consumption: Service sector energy consumption by fuel, in primary energy equivalents, 1970 to 2003.
  • saving: Energy saving is often the easiest way to cut carbon emissions.
  • conservation: Sustainability of the Campus plan in terms of design and energy conservation and management was also emphasized.
  • source: Rest Interval between sessions The energy source being used during the training session is probably the most important factor to consider.

Noun used with modifier

  • wind: At the end of 1995 there were 1,300 people directly employed in wind energy in the UK.
  • activation: The activation energy was also shown by the above to vary with the environment.
  • ionization: To plot any more ionization energies for chlorine needs a change of vertical scale.
  • photon: Rocking curve FWHM indicate a resolution of less than 1 eV at 2450 eV and less than 3 eV at 4000 eV photon energy.
  • biomass: Dulas Ltd - Highly skilled and experienced renewable energy consultants specialize in wind power, hydro power, solar power and biomass wood energy.
  • wave: Sand dunes provide a coastal protection role by absorbing the impact of wave energy.
energy Quotes

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

   Education is the taming or demonstration of the soul's raw passionsönot suppressing them or excising them, whichwould deprivethesoul of its energyöbutforming and informing them as art.

—Bloom, Allan

At what time does the dissipation of energy begin?

—Kelvin,WilliamThomson, 1st Baron

Energy is Eternal Delight.

—Blake,William

History is hard to know†but†it seems entirely reasonable to think that every now and then the energy of a whole generation comes to a head in a long fine flash, for reasons that nobody really understands at the timeöand which never explain, in retrospect, what actually happened.

—Thompson, Hunter S(tockton)

Morally, spiritually, we are fettered. What have we achieved in mowing down mountain ranges, harnessing the energy of mighty rivers, or moving whole populations about like chess pieces, if we ourselves remain the same restless, miserable, frustrated creatures we were before. To call such activity progress is utter delusion.

—Miller, Henry Valentine

Jazz is the result of the energy stored up in America.

—Gershwin, George

It is only when you get to see and realize what India isöthat she is the strength and the greatness of Englandöthat you feel that every nerve a man may strain, every energy he may put forward, cannot be devoted to a nobler purpose than keeping tight the cords that hold India to ourselves.

—Curzon (of Kedleston), Lord George Nathaniel

Force is the same throughout and the whole is in every part of it. Force is a spiritual power, an invisible energy which isimparted by violence from without toall bodies out of their natural balance.

—Leonardo daVinci

Libraries are reservoirs of strength, grace and wit, reminders of order, calm and continuity, lakes of mental energy, neither warm nor cold, light nor dark.

—Greer, Germaine

In the lotus position at her yoga class she managed to exude energy, and her attempts at Transcendental Meditation had been likened to a pressure-cooker on simmer.

—Sharpe,Tom (Thomas Ridley)

To a considerable degree science consists in originating the maximum amount of information with the minimum expenditure of energy.

—Wilson, Edward O(sborne)

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

—Blake,William

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

I, methought, while the sweet breath of heaven Was blowing on my body, felt within A correspondent breeze, that gently moved With quickening virtue, but is now become A tempest, a redundant energy, Vexing its own creation.

—Wordsworth,William

The chief aim of their constitution is that, whenever public needs permit, all citizens should be free, so far as possible, to withdraw their time and energy from the service of the body, and devote themselves to the freedom and culture of the mind. For that, they think, is the real happiness of life.

—More, SirThomas

Browse dictionary entries near energy

  1. energumen
  2. energize
  3. energid
  4. energetics
  5. energetically
  6. energetic
  7. enemy alien
  8. enemy
  9. enema
  10. -ene
  1. energy level
  2. enervate
  3. Enesco
  4. enface
  5. enfant terrible
  6. enfeeble
  7. enfeoff
  8. enfetter
  9. Enfield
  10. enfilade