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ENERGY

Pronunciation (US): 

 Dictionary entry overview: What does Energy mean? 

ENERGY (noun)
  The noun ENERGY has 6 senses:

1. (physics) the capacity of a physical system to do work; the units of energy are joules or ergs
2. forceful exertion
3. enterprising or ambitious drive
4. an imaginative lively style (especially style of writing)
5. a healthy capacity for vigorous activity
6. the federal department responsible for maintaining a national energy policy of the United States; created in 1977

  Familiarity information: ENERGY used as a noun is common.


 Dictionary entry details 


ENERGY (noun)


Sense 1energy [BACK TO TOP]

Meaning:

(physics) the capacity of a physical system to do work; the units of energy are joules or ergs

Classified under:

Nouns denoting natural phenomena

Context example:

energy can take a wide variety of forms

Hypernyms ("energy" is a kind of...):

physical phenomenon (a natural phenomenon involving the physics of matter and energy)

Domain category:

natural philosophy; physical science; physics (the science of matter and energy and their interactions)

Hyponyms (each of the following is a kind of "energy"):

radiation (energy that is radiated or transmitted in the form of rays or waves or particles)

radiant energy (energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter)

mechanical energy (energy in a mechanical form)

heat; heat energy (a form of energy that is transferred by a difference in temperature)

work ((physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force)

rest energy (the energy equivalent to the mass of a particle at rest in an inertial frame of reference; equal to the rest mass times the square of the speed of light)

energy level; energy state (a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules)

electrical energy; electricity (energy made available by the flow of electric charge through a conductor)

chemical energy (that part of the energy in a substance that can be released by a chemical reaction)

binding energy; separation energy (the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect)

atomic energy; nuclear energy (the energy released by a nuclear reaction)

alternative energy (energy derived from sources that do not use up natural resources or harm the environment)

activation energy; energy of activation (the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur)


Sense 2energy [BACK TO TOP]

Meaning:

Forceful exertion

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

vigour; vigor; energy; zip

Context examples:

he plays tennis with great energy / he's full of zip

Hypernyms ("energy" is a kind of...):

force; forcefulness; strength (physical energy or intensity)

Hyponyms (each of the following is a kind of "energy"):

athleticism; strenuosity (intense energy)


Sense 3energy [BACK TO TOP]

Meaning:

Enterprising or ambitious drive

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

get-up-and-go; energy; push

Context example:

Europeans often laugh at American energy

Hypernyms ("energy" is a kind of...):

drive (the trait of being highly motivated)

Hyponyms (each of the following is a kind of "energy"):

second wind (renewed energy or strength to continue an undertaking)


Sense 4energy [BACK TO TOP]

Meaning:

An imaginative lively style (especially style of writing)

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

vim; muscularity; vigor; vigour; energy

Context examples:

his writing conveys great energy / a remarkable muscularity of style

Hypernyms ("energy" is a kind of...):

life; liveliness; spirit; sprightliness (animation and energy in action or expression)

Hyponyms (each of the following is a kind of "energy"):

verve; vitality (an energetic style)


Sense 5energy [BACK TO TOP]

Meaning:

A healthy capacity for vigorous activity

Classified under:

Nouns denoting stable states of affairs

Synonyms:

vim; vitality; energy

Context examples:

jogging works off my excess energy / he seemed full of vim and vigor

Hypernyms ("energy" is a kind of...):

good health; healthiness (the state of being vigorous and free from bodily or mental disease)

Hyponyms (each of the following is a kind of "energy"):

juice (energetic vitality)

ch'i; chi; ki; qi (the circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health)


Sense 6Energy [BACK TO TOP]

Meaning:

The federal department responsible for maintaining a national energy policy of the United States; created in 1977

Classified under:

Nouns denoting groupings of people or objects

Synonyms:

Energy Department; DOE; Department of Energy; Energy

Hypernyms ("Energy" is a kind of...):

executive department (a federal department in the executive branch of the government of the United States)

Meronyms (parts of "Energy"):

Department of Energy Intelligence; DOEI (an agency that collects political and economic and technical information about energy matters and makes the Department of Energy's technical and analytical expertise available to other members of the Intelligence Community)


 Learn English with... Proverbs of the week 
"Nature, time, and patience are three great physicians." (English proverb)

"Trouble no one about their religion; respect others in their view and demand that they respect yours." (Native American proverbs and quotes, Chief Tecumseh)

"My friends are like stars, pick one and it'll guide you." (Arabic proverb)

"Where there is smoke, there is fire too." (Croatian proverb)

 ENERGY: related words searches 

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