
- Main Entry: en·er·gy
- Pronunciation: \ˈe-nər-jē\
- Function: noun
- Inflected Form(s): plural en·er·gies
- Etymology: Late Latin energia, from Greek energeia activity, from energos active, from en in + ergon work — more at work
- Date: 1599
1 a : dynamic quality <narrative energy> b : the capacity of acting or being active <intellectual energy> c : a usually positive spiritual force <theenergy flowing through all people>
2 : vigorous exertion of power : effort <investing time and energy>
3 : a fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work
4 : usable power (as heat or electricity); also : the resources for producing such power