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Definitions of energy
  1. noun
    (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
    "energy can take a wide variety of forms"

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  2. noun
    an imaginative lively style (especially style of writing)
    "his writing conveys great energy"
  3. noun
    a healthy capacity for vigorous activity
    "jogging works off my excess energy"

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  4. noun
    the federal department responsible for maintaining a national energy policy of the United States; created in 1977
  5. noun
    forceful exertion
    "he plays tennis with great energy"

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  6. noun
    enterprising or ambitious drive
    "Europeans often laugh at American energy"

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    type of:
  7. noun
    any source of usable power
    "the DOE is responsible for maintaining the energy policy"
Definition that contains energy
  • power energy made available by the flow of electric charge through a conductor
  • electricity energy made available by the flow of electric charge through a conductor
  • radiation energy that is radiated or transmitted in the form of rays or waves or particles
  • geothermal energy energy derived from the heat in the interior of the earth
  • radiant energy energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter
  • solar energy energy from the sun that is converted into thermal or electrical energy
  • solar power energy from the sun that is converted into thermal or electrical energy
  • electrical energy energy made available by the flow of electric charge through a conductor
  • alternative energy energy derived from sources that do not use up natural resources or harm the environment
  • mechanical energy energy in a mechanical form
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