(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; energy can take a wide variety of forms
[ Syn: free energy ]
forceful exertion; he plays tennis with great energy; hes full of zip
enterprising or ambitious drive; Europeans often laugh at American energy
[ Syn: push , get-up-and-go ]
an imaginative lively style (especially style of writing); his writing conveys great energy; a remarkable muscularity of style
[ Syn: muscularity , vigor , vigour , vim ]
a healthy capacity for vigorous activity; jogging works off my excess energy; he seemed full of vim and vigor
any source of usable power; the DOE is responsible for maintaining the energy policy'
the federal department responsible for maintaining a national energy policy of the United States; created in 1977
[ Syn: department of energy , energy department , energy , doe ]