Definition of energy in English:

energy

nounˈɛnədʒiˈɛnərdʒi

mass noun

1The strength and vitality required for sustained physical or mental activity.
changes in the levels of vitamins can affect energy and well-being
Example sentencesExamples
- No job was ever too big for her to tackle, and at the end of a long day she still had energy for the social activities she so greatly enjoyed.
- And few here have either the energy or strength to walk that far in a scorching African sun.
- After six hours of work at school, students have little mental and physical energy to do more work at home.
- If you think there is no way of having the energy and strength you desire, think again.
- Commentators explained that this gave them instant and sustained energy.
- What I was about to do would require a lot of energy, stamina, and vocal power.
- We want to encourage people to donate their time and energy to voluntary activities and we want to see voluntary organisations free to do the work they are set up to do.
- Diane would have made me go anyway, and I didn't posses enough mental or physical energy to put up a fight.
- From this position very little strength or energy is required for him to complete the throw.
- A way of limiting the amount of time and energy spent on the activity.
- The mental activity consumes energy and can, in the event of excess, lead to overstrain.
- When people are under stress, they don't have as much energy for physical or mental activity.
- A man may want to do much, but he has only so much time, only so much mental and physical energy.
- He possessed formidable physical and mental energy, tremendous discipline.
- Combining this dish with oatcakes or wholegrain bread makes a perfect protein meal, which will sustain energy longer.
- I'm really looking forward to working in London - so much energy and activity on the doorstep.
- It allows him to drain his opponents of any form of energy that they possess.
- Communities and voluntary organisations often contain the necessary energy and enthusiasm required to make a difference.
- The main modifiable factors affecting energy balance are dietary energy intake and energy expended through physical activity.
- She felt weak, as if she had just spent every bit of energy she had ever possessed.
Synonyms
vitality, vigour, life, liveliness, animation, vivacity, spirit, spiritedness, fire, passion, ardour, zeal, verve, enthusiasm, zest, vibrancy, spark, sparkle, effervescence, exuberance, buoyancy, perkiness, sprightliness
strength, stamina, forcefulness, power, might, potency, dynamism, drive, push
informal zip, zing, pep, pizzazz, punch, bounce, fizz, oomph, go, get-up-and-go, vim and vigour
North American informal feistiness
1. 1.1energies A person's physical and mental powers.
  an alternative is to devote your energies to voluntary work
  Example sentencesExamples
  He returned to the unquestioning dream world of his childhood and put his energies, at last, into this book.
  I was amazed at the creative energies expended in getting people to give and increase their pledges.
  You combine different aspects and integrate energies to bring success after a period of struggle.
  The competition for children's minds and energies is so different to my early years.
  There is a need to focus mental energies and prepare yourself to face competition.
  You are a physical person, but you know how to control and use of your physical energies.
  When he was able finally to go home, the reunion with his father absorbed his energies.
  Feeling unable to change the situation in my life, I started to channel all my energies into controlling my weight.
  She rolls her eyes and buries her energies in consuming her noodles.
2Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
nuclear energy
Example sentencesExamples
- I'm delighted that our local communities and voluntary groups are taking the lead on renewable energy for lighting and heating.
- Fuel cells directly produce power by converting chemical energy into electrical energy.
- It would provide enough energy to power about 29,000 homes.
- It will also provide virtually unlimited energy and material resources for humankind.
- We should be finding cleaner energy resources, but in a responsible manner.
- So I began to worry about where all the energy for lighting, powering the machines and everything came from.
- The waste recycling plant, it is claimed, would provide enough energy to run the new factory and power the whole village.
- Wood provided needed energy for heat, fuel, and cooking as well as for construction of houses, tools, furniture, and ships.
- The first is that, like oil, nuclear energy is a finite resource.
- They has previously used nuclear energy to power spacecraft but never in a propulsion system.
- Why not have a look at the real solutions such as renewable power sources and better energy efficiency?
- That efficiency will include solar power, recyclable energy and heat retention.
- These recharge 40 lithium batteries that provide the energy to power its two propellers.
- These include global warming, energy efficiency and renewable energy resources.
- At the same time, there is a increase in the efficiency with which energy is converted to heat.
- However, some are still not efficient enough to turn chemical energy into mechanical power.
- This system provides higher reliability and improved energy efficiency.
- Their strategy was for the first round to rely heavily on nuclear electricity and energy efficiency.
- A rational and practical management of energy resources is imperative.
- At first, the program focused mainly on the use of nuclear energy for power generation.
Synonyms
power
3Physics
The property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules)
a collision in which no energy is transferred
Example sentencesExamples
- These convert infrared, ultraviolet and visible light into energy at a higher efficiency.
- Why is that electrons radiate electromagnetic energy when they are accelerated?
- If a particle moves faster than the speed of light, it must create a shockwave, and radiate energy.
- That means that regardless of how much energy the electron has, it could never hope to be able to exit the box.
- The protons are set in motion and, being charged, they again deposit energy through electrical interactions.
1. 3.1count noun A degree or level of energy possessed by something or required by a process.
  gamma rays at different energies
  Example sentencesExamples
  The enormous energies required to do this are needed to reveal the quantum nature of gravity.
  These particles should appear in profusion only at the very high energies at which the unification takes place.
  We have seen that in an atom, possible electron energies come in a discrete series of distinct levels.
  Each different group of minerals acts in different ways to energies around them.
  These beams have different energies and properties which determine the depth that the beam penetrates into the body.

Origin

Mid 16th century (denoting force or vigour of expression): from French énergie, or via late Latin from Greek energeia, from en- 'in, within' + ergon 'work'.

work from Old English:
Work is connected with the Greek word ergon, which is the source of energy (late 16th century), ergonomic [1950s], and surgeon. Wrought, meaning ‘made in a particular way’ and found in wrought iron (early 18th century), is the old past form of work, which people used where we now use worked. Wright, a common surname that means ‘maker’ and is found in words such as shipwright (Old English) and wheelwright (Middle English), is also closely related to work. The first workaholic was mentioned in 1968. Since then we have had chocaholics and shopaholics, but the first word to be formed in this way from alcoholic was foodaholic, in 1965. The dictum ‘Work expands so as to fill the time available’ is known as Parkinson's law. It was first expressed by Professor C. Northcote Parkinson in 1955. Much older is the proverb All work and no play makes Jack a dull boy, which is first found in 1659. See also devil

Definition of energy in US English:

energy

nounˈɛnərdʒiˈenərjē

1The strength and vitality required for sustained physical or mental activity.
changes in the levels of vitamins can affect energy and well-being
Example sentencesExamples
- A man may want to do much, but he has only so much time, only so much mental and physical energy.
- And few here have either the energy or strength to walk that far in a scorching African sun.
- Commentators explained that this gave them instant and sustained energy.
- Combining this dish with oatcakes or wholegrain bread makes a perfect protein meal, which will sustain energy longer.
- What I was about to do would require a lot of energy, stamina, and vocal power.
- If you think there is no way of having the energy and strength you desire, think again.
- No job was ever too big for her to tackle, and at the end of a long day she still had energy for the social activities she so greatly enjoyed.
- I'm really looking forward to working in London - so much energy and activity on the doorstep.
- From this position very little strength or energy is required for him to complete the throw.
- The mental activity consumes energy and can, in the event of excess, lead to overstrain.
- Communities and voluntary organisations often contain the necessary energy and enthusiasm required to make a difference.
- The main modifiable factors affecting energy balance are dietary energy intake and energy expended through physical activity.
- When people are under stress, they don't have as much energy for physical or mental activity.
- After six hours of work at school, students have little mental and physical energy to do more work at home.
- It allows him to drain his opponents of any form of energy that they possess.
- He possessed formidable physical and mental energy, tremendous discipline.
- She felt weak, as if she had just spent every bit of energy she had ever possessed.
- Diane would have made me go anyway, and I didn't posses enough mental or physical energy to put up a fight.
- A way of limiting the amount of time and energy spent on the activity.
- We want to encourage people to donate their time and energy to voluntary activities and we want to see voluntary organisations free to do the work they are set up to do.
Synonyms
vitality, vigour, life, liveliness, animation, vivacity, spirit, spiritedness, fire, passion, ardour, zeal, verve, enthusiasm, zest, vibrancy, spark, sparkle, effervescence, exuberance, buoyancy, perkiness, sprightliness
1. 1.1energies A person's physical and mental powers, typically as applied to a particular task or activity.
  Example sentencesExamples
  He returned to the unquestioning dream world of his childhood and put his energies, at last, into this book.
  The competition for children's minds and energies is so different to my early years.
  When he was able finally to go home, the reunion with his father absorbed his energies.
  There is a need to focus mental energies and prepare yourself to face competition.
  Feeling unable to change the situation in my life, I started to channel all my energies into controlling my weight.
  I was amazed at the creative energies expended in getting people to give and increase their pledges.
  She rolls her eyes and buries her energies in consuming her noodles.
  You are a physical person, but you know how to control and use of your physical energies.
  You combine different aspects and integrate energies to bring success after a period of struggle.
2Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Example sentencesExamples
- Fuel cells directly produce power by converting chemical energy into electrical energy.
- We should be finding cleaner energy resources, but in a responsible manner.
- A rational and practical management of energy resources is imperative.
- The waste recycling plant, it is claimed, would provide enough energy to run the new factory and power the whole village.
- At the same time, there is a increase in the efficiency with which energy is converted to heat.
- I'm delighted that our local communities and voluntary groups are taking the lead on renewable energy for lighting and heating.
- So I began to worry about where all the energy for lighting, powering the machines and everything came from.
- It will also provide virtually unlimited energy and material resources for humankind.
- Why not have a look at the real solutions such as renewable power sources and better energy efficiency?
- These recharge 40 lithium batteries that provide the energy to power its two propellers.
- At first, the program focused mainly on the use of nuclear energy for power generation.
- That efficiency will include solar power, recyclable energy and heat retention.
- The first is that, like oil, nuclear energy is a finite resource.
- These include global warming, energy efficiency and renewable energy resources.
- It would provide enough energy to power about 29,000 homes.
- Their strategy was for the first round to rely heavily on nuclear electricity and energy efficiency.
- They has previously used nuclear energy to power spacecraft but never in a propulsion system.
- This system provides higher reliability and improved energy efficiency.
- Wood provided needed energy for heat, fuel, and cooking as well as for construction of houses, tools, furniture, and ships.
- However, some are still not efficient enough to turn chemical energy into mechanical power.
Synonyms
power
3Physics
The property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules)
a collision in which no energy is transferred
Example sentencesExamples
- These convert infrared, ultraviolet and visible light into energy at a higher efficiency.
- The protons are set in motion and, being charged, they again deposit energy through electrical interactions.
- If a particle moves faster than the speed of light, it must create a shockwave, and radiate energy.
- Why is that electrons radiate electromagnetic energy when they are accelerated?
- That means that regardless of how much energy the electron has, it could never hope to be able to exit the box.
1. 3.1 A degree or level of energy possessed by something or required by a process.
  gamma rays at different energies
  Example sentencesExamples
  These particles should appear in profusion only at the very high energies at which the unification takes place.
  The enormous energies required to do this are needed to reveal the quantum nature of gravity.
  These beams have different energies and properties which determine the depth that the beam penetrates into the body.
  We have seen that in an atom, possible electron energies come in a discrete series of distinct levels.
  Each different group of minerals acts in different ways to energies around them.

Origin

Mid 16th century (denoting force or vigor of expression): from French énergie, or via late Latin from Greek energeia, from en- ‘in, within’ + ergon ‘work’.

单词	energy
释义	Definition of energy in English: energy nounˈɛnədʒiˈɛnərdʒi mass noun 1The strength and vitality required for sustained physical or mental activity. changes in the levels of vitamins can affect energy and well-being Example sentencesExamples No job was ever too big for her to tackle, and at the end of a long day she still had energy for the social activities she so greatly enjoyed. And few here have either the energy or strength to walk that far in a scorching African sun. After six hours of work at school, students have little mental and physical energy to do more work at home. If you think there is no way of having the energy and strength you desire, think again. Commentators explained that this gave them instant and sustained energy. What I was about to do would require a lot of energy, stamina, and vocal power. We want to encourage people to donate their time and energy to voluntary activities and we want to see voluntary organisations free to do the work they are set up to do. Diane would have made me go anyway, and I didn't posses enough mental or physical energy to put up a fight. From this position very little strength or energy is required for him to complete the throw. A way of limiting the amount of time and energy spent on the activity. The mental activity consumes energy and can, in the event of excess, lead to overstrain. When people are under stress, they don't have as much energy for physical or mental activity. A man may want to do much, but he has only so much time, only so much mental and physical energy. He possessed formidable physical and mental energy, tremendous discipline. Combining this dish with oatcakes or wholegrain bread makes a perfect protein meal, which will sustain energy longer. I'm really looking forward to working in London - so much energy and activity on the doorstep. It allows him to drain his opponents of any form of energy that they possess. Communities and voluntary organisations often contain the necessary energy and enthusiasm required to make a difference. The main modifiable factors affecting energy balance are dietary energy intake and energy expended through physical activity. She felt weak, as if she had just spent every bit of energy she had ever possessed. Synonyms vitality, vigour, life, liveliness, animation, vivacity, spirit, spiritedness, fire, passion, ardour, zeal, verve, enthusiasm, zest, vibrancy, spark, sparkle, effervescence, exuberance, buoyancy, perkiness, sprightliness strength, stamina, forcefulness, power, might, potency, dynamism, drive, push informal zip, zing, pep, pizzazz, punch, bounce, fizz, oomph, go, get-up-and-go, vim and vigour North American informal feistiness 1.1energies A person's physical and mental powers. an alternative is to devote your energies to voluntary work Example sentencesExamples He returned to the unquestioning dream world of his childhood and put his energies, at last, into this book. I was amazed at the creative energies expended in getting people to give and increase their pledges. You combine different aspects and integrate energies to bring success after a period of struggle. The competition for children's minds and energies is so different to my early years. There is a need to focus mental energies and prepare yourself to face competition. You are a physical person, but you know how to control and use of your physical energies. When he was able finally to go home, the reunion with his father absorbed his energies. Feeling unable to change the situation in my life, I started to channel all my energies into controlling my weight. She rolls her eyes and buries her energies in consuming her noodles. 2Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines. nuclear energy Example sentencesExamples I'm delighted that our local communities and voluntary groups are taking the lead on renewable energy for lighting and heating. Fuel cells directly produce power by converting chemical energy into electrical energy. It would provide enough energy to power about 29,000 homes. It will also provide virtually unlimited energy and material resources for humankind. We should be finding cleaner energy resources, but in a responsible manner. So I began to worry about where all the energy for lighting, powering the machines and everything came from. The waste recycling plant, it is claimed, would provide enough energy to run the new factory and power the whole village. Wood provided needed energy for heat, fuel, and cooking as well as for construction of houses, tools, furniture, and ships. The first is that, like oil, nuclear energy is a finite resource. They has previously used nuclear energy to power spacecraft but never in a propulsion system. Why not have a look at the real solutions such as renewable power sources and better energy efficiency? That efficiency will include solar power, recyclable energy and heat retention. These recharge 40 lithium batteries that provide the energy to power its two propellers. These include global warming, energy efficiency and renewable energy resources. At the same time, there is a increase in the efficiency with which energy is converted to heat. However, some are still not efficient enough to turn chemical energy into mechanical power. This system provides higher reliability and improved energy efficiency. Their strategy was for the first round to rely heavily on nuclear electricity and energy efficiency. A rational and practical management of energy resources is imperative. At first, the program focused mainly on the use of nuclear energy for power generation. Synonyms power 3Physics The property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules) a collision in which no energy is transferred Example sentencesExamples These convert infrared, ultraviolet and visible light into energy at a higher efficiency. Why is that electrons radiate electromagnetic energy when they are accelerated? If a particle moves faster than the speed of light, it must create a shockwave, and radiate energy. That means that regardless of how much energy the electron has, it could never hope to be able to exit the box. The protons are set in motion and, being charged, they again deposit energy through electrical interactions. 3.1count noun A degree or level of energy possessed by something or required by a process. gamma rays at different energies Example sentencesExamples The enormous energies required to do this are needed to reveal the quantum nature of gravity. These particles should appear in profusion only at the very high energies at which the unification takes place. We have seen that in an atom, possible electron energies come in a discrete series of distinct levels. Each different group of minerals acts in different ways to energies around them. These beams have different energies and properties which determine the depth that the beam penetrates into the body. Origin Mid 16th century (denoting force or vigour of expression): from French énergie, or via late Latin from Greek energeia, from en- 'in, within' + ergon 'work'. work from Old English: Work is connected with the Greek word ergon, which is the source of energy (late 16th century), ergonomic [1950s], and surgeon. Wrought, meaning ‘made in a particular way’ and found in wrought iron (early 18th century), is the old past form of work, which people used where we now use worked. Wright, a common surname that means ‘maker’ and is found in words such as shipwright (Old English) and wheelwright (Middle English), is also closely related to work. The first workaholic was mentioned in 1968. Since then we have had chocaholics and shopaholics, but the first word to be formed in this way from alcoholic was foodaholic, in 1965. The dictum ‘Work expands so as to fill the time available’ is known as Parkinson's law. It was first expressed by Professor C. Northcote Parkinson in 1955. Much older is the proverb All work and no play makes Jack a dull boy, which is first found in 1659. See also devil Definition of energy in US English: energy nounˈɛnərdʒiˈenərjē 1The strength and vitality required for sustained physical or mental activity. changes in the levels of vitamins can affect energy and well-being Example sentencesExamples A man may want to do much, but he has only so much time, only so much mental and physical energy. And few here have either the energy or strength to walk that far in a scorching African sun. Commentators explained that this gave them instant and sustained energy. Combining this dish with oatcakes or wholegrain bread makes a perfect protein meal, which will sustain energy longer. What I was about to do would require a lot of energy, stamina, and vocal power. If you think there is no way of having the energy and strength you desire, think again. No job was ever too big for her to tackle, and at the end of a long day she still had energy for the social activities she so greatly enjoyed. I'm really looking forward to working in London - so much energy and activity on the doorstep. From this position very little strength or energy is required for him to complete the throw. The mental activity consumes energy and can, in the event of excess, lead to overstrain. Communities and voluntary organisations often contain the necessary energy and enthusiasm required to make a difference. The main modifiable factors affecting energy balance are dietary energy intake and energy expended through physical activity. When people are under stress, they don't have as much energy for physical or mental activity. After six hours of work at school, students have little mental and physical energy to do more work at home. It allows him to drain his opponents of any form of energy that they possess. He possessed formidable physical and mental energy, tremendous discipline. She felt weak, as if she had just spent every bit of energy she had ever possessed. Diane would have made me go anyway, and I didn't posses enough mental or physical energy to put up a fight. A way of limiting the amount of time and energy spent on the activity. We want to encourage people to donate their time and energy to voluntary activities and we want to see voluntary organisations free to do the work they are set up to do. Synonyms vitality, vigour, life, liveliness, animation, vivacity, spirit, spiritedness, fire, passion, ardour, zeal, verve, enthusiasm, zest, vibrancy, spark, sparkle, effervescence, exuberance, buoyancy, perkiness, sprightliness 1.1energies A person's physical and mental powers, typically as applied to a particular task or activity. Example sentencesExamples He returned to the unquestioning dream world of his childhood and put his energies, at last, into this book. The competition for children's minds and energies is so different to my early years. When he was able finally to go home, the reunion with his father absorbed his energies. There is a need to focus mental energies and prepare yourself to face competition. Feeling unable to change the situation in my life, I started to channel all my energies into controlling my weight. I was amazed at the creative energies expended in getting people to give and increase their pledges. She rolls her eyes and buries her energies in consuming her noodles. You are a physical person, but you know how to control and use of your physical energies. You combine different aspects and integrate energies to bring success after a period of struggle. 2Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines. Example sentencesExamples Fuel cells directly produce power by converting chemical energy into electrical energy. We should be finding cleaner energy resources, but in a responsible manner. A rational and practical management of energy resources is imperative. The waste recycling plant, it is claimed, would provide enough energy to run the new factory and power the whole village. At the same time, there is a increase in the efficiency with which energy is converted to heat. I'm delighted that our local communities and voluntary groups are taking the lead on renewable energy for lighting and heating. So I began to worry about where all the energy for lighting, powering the machines and everything came from. It will also provide virtually unlimited energy and material resources for humankind. Why not have a look at the real solutions such as renewable power sources and better energy efficiency? These recharge 40 lithium batteries that provide the energy to power its two propellers. At first, the program focused mainly on the use of nuclear energy for power generation. That efficiency will include solar power, recyclable energy and heat retention. The first is that, like oil, nuclear energy is a finite resource. These include global warming, energy efficiency and renewable energy resources. It would provide enough energy to power about 29,000 homes. Their strategy was for the first round to rely heavily on nuclear electricity and energy efficiency. They has previously used nuclear energy to power spacecraft but never in a propulsion system. This system provides higher reliability and improved energy efficiency. Wood provided needed energy for heat, fuel, and cooking as well as for construction of houses, tools, furniture, and ships. However, some are still not efficient enough to turn chemical energy into mechanical power. Synonyms power 3Physics The property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules) a collision in which no energy is transferred Example sentencesExamples These convert infrared, ultraviolet and visible light into energy at a higher efficiency. The protons are set in motion and, being charged, they again deposit energy through electrical interactions. If a particle moves faster than the speed of light, it must create a shockwave, and radiate energy. Why is that electrons radiate electromagnetic energy when they are accelerated? That means that regardless of how much energy the electron has, it could never hope to be able to exit the box. 3.1 A degree or level of energy possessed by something or required by a process. gamma rays at different energies Example sentencesExamples These particles should appear in profusion only at the very high energies at which the unification takes place. The enormous energies required to do this are needed to reveal the quantum nature of gravity. These beams have different energies and properties which determine the depth that the beam penetrates into the body. We have seen that in an atom, possible electron energies come in a discrete series of distinct levels. Each different group of minerals acts in different ways to energies around them. Origin Mid 16th century (denoting force or vigor of expression): from French énergie, or via late Latin from Greek energeia, from en- ‘in, within’ + ergon ‘work’.
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