What is the meaning of energy?


  • Physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs. (
    • usage: "energy can take a wide variety of forms"
  • Forceful exertion.
    • usage: "he plays tennis with great energy"; "he's full of zip"
  • Enterprising or ambitious drive.
    • usage: "Europeans often laugh at American energy"
  • An imaginative lively style (especially style of writing. )
    • usage: "his writing conveys great energy"; "a remarkable muscularity of style"
  • A healthy capacity for vigorous activity.
    • usage: "jogging works off my excess energy"; "he seemed full of vim and vigor"
  • Any source of usable power.
    • usage: "the DOE is responsible for maintaining the energy policy"
  • The federal department responsible for maintaining a national energy policy of the United States; created in 1977.
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APAWordNet. (2010). energy. Retrieved February 23, 2019, from http://smartdefine.org/energy/definitions/1209888
ChicagoWordNet. 2010. "energy" http://smartdefine.org/energy/definitions/1209888 (accessed February 23, 2019).
HarvardWordNet 2010, energy, Smart Define, viewed 23 February, 2019, <http://smartdefine.org/energy/definitions/1209888>.
MLAWordNet. "energy" 23 October 2010. Web. 23 February 2019. <http://smartdefine.org/energy/definitions/1209888>
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