ENERGY

The federal department responsible for maintaining a national energy policy of the united states; created in 1977

(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs

Example: "Energy can take a wide variety of forms"

Forceful exertion

Example: "He plays tennis with great energy"

Enterprising or ambitious drive

Example: "Europeans often laugh at american energy"

An imaginative lively style (especially style of writing)

Example: "His writing conveys great energy"

A healthy capacity for vigorous activity

Example: "Jogging works off my excess energy"

Any source of usable power

Example: "The doe is responsible for maintaining the energy policy"