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energy

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energy/ˈɛnɚʤi/noun
pluralenergies
energy
/ˈɛnɚʤi/
noun
pluralenergies
Learner's definition of ENERGY  
: ability to be active : the physical or mental strength that allows you to do things
[noncount]
[plural]
[noncount]  : natural enthusiasm and effort
[noncount]  : usable power that comes from heat, electricity, etc.
— see also nuclear energy
technical  : the ability of something (such as heat, light, or running water) to be active or do work
[noncount]
[plural]
[noncount]informal  : a type of power that some people believe a person or place produces
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