Meaning of energy In English

• 0 the power and ability to be physically and mentally active:

  • Since I started eating more healthily I've got so much more energy.

  • I was going to go out this evening, but I just haven't got the energy.

  • [ + to infinitive ] I didn't even have the energy to get out of bed.

  • approving Her writing is full of passion and energy (= enthusiasm).

  • I'm going to channel all my energies into getting a better job.

• 1 the power from something such as electricity or oil that can do work, such as providing light and heat:

  • The energy generated by the windmill drives all the drainage pumps.

  • energy conservation/efficiency

  • nuclear energy

• 2 the power and ability to be physically and mentally active:

  • [ U ] They spent a lot of time and energy on the grant proposal.

  • [ U ] He wrote with a great burst of energy.

  • [ pl ] All my energies were directed toward establishing an academic career.

• 3 power to do work that produces light, heat, or motion, or the fuel or electricity used for power:

  • Certain materials acquired the ability to carry an electric charge with no loss of energy.

  • The cost of energy rose last month.

• 4 the power from something such as electricity or oil, which can do work, such as providing light and heat:

  • use/consume/waste energy 80% of the energy used to wash garments is needed to heat the water.

  • save/conserve energy We aim to manage and conserve energy and water efficiently within all our premises.

  • provide/produce/generate energy These power stations work 24 hours a day, providing energy to the nation.

  • energy use/costs

  • energy supply/production

  • wind/wave/solar energy