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energy
[ en-er-jee ]
noun
- the capacity for vigorous activity; available power:
I eat chocolate to get quick energy.
Synonyms: , ,
- an adequate or abundant amount of such power:
I seem to have no energy these days.
- Often energies. a feeling of tension caused or seeming to be caused by an excess of such power:
to work off one's energies at tennis.
- an exertion of such power:
She plays tennis with great energy.
- the habit of vigorous activity; vigor as a characteristic:
Foreigners both admire and laugh at American energy.
Synonyms: ,
- the ability to act, lead others, effect, etc., forcefully.
- forcefulness of expression:
a writing style abounding with energy.
- Physics. the capacity to do work; the property of a system that diminishes when the system does work on any other system, by an amount equal to the work so done; potential energy. : E
- any source of usable power, as fossil fuel, electricity, or solar radiation.
energy
/ ˈɛəɪ /
noun
- intensity or vitality of action or expression; forcefulness
- capacity or tendency for intense activity; vigour
- vigorous or intense action; exertion
- physics
- the capacity of a body or system to do work
- a measure of this capacity, expressed as the work that it does in changing to some specified reference state. It is measured in joules (SI units) E
- a source of power See also kinetic energy potential energy
energy
- The capacity or power to do work, such as the capacity to move an object (of a given mass) by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another. It is measured by the amount of work done, usually in joules or watts.
- See also conservation of energyCompare power
Other Word Forms
- ···· noun
- -·· noun
Word History and Origins
Word History and Origins
Origin of energy1
Example Sentences
The two schools have collaborated extensively on research including clean energy and climate change for decades.
The energy in the room — everyone was really excited when he came in.
"I'm not angry, I'm not scared, I'm not worried. I'm just looking at him. I'm not wasting energy on these guys."
Domestic energy prices are forecast to fall in July, reversing three consecutive increases in regulator Ofgem's price cap.
One key concern about the 2026 rules is that it will be difficult for cars to recover sufficient energy from the rear axle to deploy the permitted maximum amount of electrical power through a lap.
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More About Energy
is energy?
Energy refers to available power or motivation to move, as in Jada found that getting enough sleep each night gave her the energy to live each day.
Energy also refers to power that is used with exertion or force, as in Monique brought energy to the team, leading them to win more games.
In physics, energy is the power or heat that is created when something moves, is burned, or is exerted. It is typically represented in two forms: potential and kinetic energy. Potential energy is power that is stored in something as it sits still or is unburned. For example, coal contains a large amount of potential energy that is released when the coal is burned. As the coal burns, that potential energy becomes kinetic energy, energy related to the particles in the system.
Energy is a common word with several other senses related to power or motivation.
Example: Darryl found out the hard way that cell phone batteries lose their energy in the cold.
Where does energy come from?
The first records of the term energy come from the late 1500s. It ultimately comes from the Greek term Աî, meaning “to be active.” Activity can come in many forms, but almost all burn energy.
Potential and kinetic energy can be applied to humans, too. As you eat and sleep, you build up potential energy, and as you physically move, think, breathe, or perform any physical action, that energy is used kinetically. When you’re tired, you might say you’re low on energy. And when you decide to put your energies into your art, you are spending more time doing your art and, as a result, spending more of your energy on it.
Did you know … ?
are some other forms related to energy?
- hyperenergy (noun)
- self-energy (noun)
are some synonyms for energy?
are some words that share a root or word element with energy?
are some words that often get used in discussing energy?
How is energy used in real life?
Energy is a common word used both in the scientific sense and in other senses, particularly those related to the power we or our devices have or don’t have.
U attract the energy u put out ..
— TRAVIS SCOTT (@trvisXX)
I’m tired of all the negative energy in the world
— marshmello (@marshmello)
We need to work harder & longer hours to catch up with the world. Fewer holidays, better teachers but above all sort the energy shortage.
— Reham Khan (@RehamKhan1)
Try using energy!
Is energy used correctly in the following sentence?
When Quinn focused his energies on his school work, his grades went up.
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