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 <the energy 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

synonyms see power