noun
pl. -·gies- force of expression or utterance
- potential forces; inherent power; capacity for vigorous action
- [often pl.] such forces or power, esp. in action: to apply all one's energies
- strength or power efficiently exerted
- those resources, as petroleum, coal, gas, wind, nuclear fuel, and sunlight, from which energy in the form of electricity, heat, etc. can be produced
- the available supply of such usable resources: an energy shortage
- Physics the capacity for doing work: abbrev. E
Origin of energy
Late Latin energia from Classical Greek energeia from energ?s, active, at work from en-, in + ergon, work
