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Definition of energy noun from the Oxford Advanced Learner's Dictionary

energy

noun
 
/ˈenədʒi/
 
/ˈenərdʒi/
Idioms
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  1. [uncountable] the strength, effort and enthusiasm required for physical or mental activity, work, etc.
    • It's a waste of time and energy.
    • She's always full of energy.
    • I don't seem to have any energy these days.
    • nervous energy (= energy produced by feeling nervous)
    • For five years, she devoted considerable energy to photography.
    • He expends great energy trying to help them.
    Extra Examples
    • Football gives them an outlet for their energy.
    • He never seems to lack energy.
    • You have to admire her boundless energy.
    • I don't have the time or energy to argue with you.
    • It was late and my energy was beginning to flag.
    • It's a waste of energy cutting this grass—nobody's going to see it.
    • My energy levels are still low.
    • Prisoners are encouraged to channel their energy into exercise.
    • She always works with energy and enthusiasm.
    • He eventually summoned up the energy to cook dinner.
    • Sugar provides an energy boost.
    • The children are always full of energy.
    • The hills sapped his energy and he got off his bike for frequent rests.
    • The kids were running around crazily, working off their surplus energy.
    • The volunteers' energy was dissipated by the enormous amounts of paperwork involved in the project.
    • There is a lack of creative energy in the industry.
    • We don't want to waste our energy trying to persuade people who are just not interested.
    • You must invest your time and energy in the development of your craft.
    • We're trying to deal with young offenders by channelling their energy into sport rather than crime.
    • With a sudden burst of energy, he ran to the top of the hill.
    • You can judge how healthy you are by the amount of energy you have.
    • He could feel the energy coming back to him from the audience.
    • She brings passion and energy to the part.
    • Lang has an inner glow that radiates positive energy.
    • She releases pent up energy on the dance floor.
    Topics Health and Fitnessa2
    Oxford Collocations Dictionaryadjective
    • boundless
    • endless
    • inexhaustible
    … of energy
    • amount
    • level
    • great deal
    verb + energy
    • be bursting with
    • be full of
    • have
    energy + verb
    • flag
    • dissipate
    • drain away
    energy + noun
    • level
    • reserves
    • bar
    phrases
    • energy and enthusiasm
    • an outlet for your energy
    • time or energy
    See full entry
  2. energies
    [plural] the physical and mental effort that you use to do something
    • She put all her energies into her work.
    • He focused his energies on preparing the lectures.
    • Provide a means of channelling your child's creative energies.
    • I will put all my energies into improving the situation.
  3. [uncountable] a source of power, such as fuel, used for driving machines, providing heat, etc.
    • solar/wind/renewable energy
    • to save/conserve energy
    • to generate/produce energy
    • The £500 million programme is centred around energy efficiency and renewable power sources.
    • the country's total energy consumption
    • an energy crisis (= for example when fuel is not freely available)
    • energy conservation
    see also alternative energy, atomic energy, nuclear energy
    Collocations The environmentThe environmentEnvironmental damage
    • cause/​contribute to climate change/​global warming
    • produce pollution/​CO2/greenhouse (gas) emissions
    • damage/​destroy the environment/​a marine ecosystem/​the ozone layer/​coral reefs
    • degrade ecosystems/​habitats/​the environment
    • harm the environment/​wildlife/​marine life
    • threaten natural habitats/​coastal ecosystems/​a species with extinction
    • deplete natural resources/​the ozone layer
    • pollute rivers and lakes/​waterways/​the air/​the atmosphere/​the environment/​oceans
    • contaminate groundwater/​the soil/​food/​crops
    • log forests/​rainforests/​trees
    Protecting the environment
    • address/​combat/​tackle the threat/​effects/​impact of climate change
    • fight/​take action on/​reduce/​stop global warming
    • limit/​curb/​control air/​water/​atmospheric/​environmental pollution
    • cut/​reduce pollution/​greenhouse gas emissions
    • offset carbon/​CO2 emissions
    • reduce (the size of) your carbon footprint
    • achieve/​promote sustainable development
    • preserve/​conserve biodiversity/​natural resources
    • protect endangered species/​a coastal ecosystem
    • prevent/​stop soil erosion/​overfishing/​massive deforestation/​damage to ecosystems
    • raise awareness of environmental issues
    • save the planet/​the rainforests/​an endangered species
    Energy and resources
    • conserve/​save/​consume/​waste energy
    • manage/​exploit/​be rich in natural resources
    • dump/​dispose of hazardous/​toxic/​nuclear waste
    • dispose of/​throw away litter/(especially British English) rubbish/(especially North American English) garbage/(North American English) trash/​sewage
    • use/​be made from recycled/​recyclable/​biodegradable material
    • recycle bottles/​packaging/​paper/​plastic/​waste
    • promote/​encourage recycling/​sustainable development/​the use of renewable energy
    • develop/​invest in/​promote renewable energy
    • reduce your dependence/​reliance on fossil fuels
    • get/​obtain/​generate/​produce electricity from wind, solar and wave power/​renewable sources
    • build/​develop a (50-megawatt/​offshore) wind farm
    • install/​be fitted with/​be powered by solar panels
    Extra Examples
    • the use of photovoltaic panels to generate energy
    • total energy requirements for the coming year
    • the change from fossil fuels to renewable energy
    • state control of the energy industries
    • equipment that offers long-term energy savings
    • attempts to harness solar energy
    • a government-sponsored renewable energy project
    • The nuclear plant provides a fifth of the nation's energy supplies.
    • The new power station produces vast amounts of energy.
    • The demand for energy and fuel is expected to increase dramatically.
    • The country could face an energy crisis if demand continues to rise.
    • The cost of solar power needs to fall before it makes an impact on the energy market.
    • Reusing existing buildings is less wasteful in terms of energy and resources than new construction.
    • low water and energy usage
    • green methods of harnessing free, clean energy
    • low-energy light bulbs
    • Locally produced food would reduce energy costs.
    Topics The environmenta2
    Oxford Collocations Dictionaryadjective
    • alternative
    • clean
    • green
    … of energy
    • amount
    verb + energy
    • generate
    • produce
    • harness
    energy + noun
    • production
    • consumption
    • use
    phrases
    • a demand for energy
    • a form of energy
    • a source of energy
    See full entry
  4. [uncountable] (physics) the ability of matter or radiation to work because of its mass, movement, electric charge, etc.
    • kinetic/electrical energy
    see also potential energyTopics Physics and chemistryc1
  5. Word Originmid 16th cent. (denoting force or vigour of expression): from French énergie, or via late Latin from Greek energeia, from en- ‘in, within’ + ergon ‘work’.
Idioms
a ball of energy/fire
  1. (informal) a person who is full of energy and enthusiasm
See energy in the Oxford Advanced American DictionarySee energy in the Oxford Learner's Dictionary of Academic English
given
adjective
 
 
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