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In physics, energy is a property of objects which can be transferred to other objects or ... However, there are many other definitions of energy, depending on the ...

Energy | Definition of Energy by Merriam-Webster


ability to be active : the physical or mental strength that allows you to do things. : natural enthusiasm and effort. : usable power that comes from heat, electricity, ...

Energy | Define Energy at Dictionary.com


Energy definition, the capacity for vigorous activity; available power: I eat chocolate to get quick energy. See more.

Energy - definition of energy - Physics - About.com


Definition: Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential  ...

Energy - definition of energy by The Free Dictionary


The capacity for work or vigorous activity: Who has the energy to climb that trail? See Synonyms at strength. 2. a. also energies Exertion of vigor or power: a ...

What is energy? definition and meaning - BusinessDictionary.com


Definition of energy: Measure of the ability of a body or system to do work or produce a change, expressed usually in joules or kilowatt hours (kWh). No activity is ...

energy Definition in the Cambridge English Dictionary


energy definition, meaning, what is energy: the power and ability to be physically and mentally active: . Learn more.

What is energy?


Although this definition is correct, its a bit indirect because it really only conveys to us what energy is used for, not what energy is, or even how it behaves (for ...

energy - definition of energy in English from the Oxford dictionary


Meaning, pronunciation and example sentences, English to English reference ... especially to provide light and heat or to work machines: nuclear energy.

Definition of energy - Merriam-Webster's Student Dictionary


1 : power or ability to be active : strength of body or mind to do things or to work < a teacher of great intellectual energy> 2 : natural power exerted with force ...

the capacity for vigorous activity; available power: I eat chocolate to get quick energy.
an adequate or abundant amount of such power: I seem to have no energy these days.
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.
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Source: Dictionary.com
Energy development
Note the different y-axis for total (left) and regional curves (right). US Energy Use/ Flow in 2011. alt= Estimated US Energy Use/Flow in 2011. Energy flow charts ... More »
energy | Define energy at Dictionary.com
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