释义 |
WordReference Random House Learner's Dictionary of American English © 2024en•er•gy /ˈɛnɚdʒi/USA pronunciation n., pl. -gies. - the capacity or power for vigorous activity:[uncountable]I felt such energy that I jogged three miles.
- Often, energies. [plural] an exertion of such power;
effort: She threw all her energies into the job. - Physics[uncountable] Physics. the capacity to do work.Symbol: E
- Energy[uncountable] any source of usable power, as fossil fuel, nuclear fission, electricity, or solar radiation.
WordReference Random House Unabridged Dictionary of American English © 2024en•er•gy (en′ər jē),USA pronunciation n., pl. -gies. - the capacity for vigorous activity;
available power:I eat chocolate to get quick energy. - an adequate or abundant amount of such power:I seem to have no energy these days.
- Often, energies. a feeling of tension caused or seeming to be caused by an excess of such power:to work off one's energies at tennis.
- an exertion of such power:She plays tennis with great energy.
- the habit of vigorous activity;
vigor as a characteristic:Foreigners both admire and laugh at American energy. - the ability to act, lead others, effect, etc., forcefully.
- forcefulness of expression:a writing style abounding with energy.
- Physicsthe capacity to do work;
the property of a system that diminishes when the system does work on any other system, by an amount equal to the work so done; potential energy. Symbol: E - Energyany source of usable power, as fossil fuel, electricity, or solar radiation.
- Greek enérgeia activity, equivalent. to energe- (stem of energeîn to be active; see en-2, work) + -ia -y3
- Late Latin energīa
- 1575–85
- 1.See corresponding entry in Unabridged vigor, force, potency.
- 5.See corresponding entry in Unabridged zeal, push.
Collins Concise English Dictionary © HarperCollins Publishers:: energy /ˈɛnədʒɪ/ n ( pl -gies)- intensity or vitality of action or expression; forcefulness
- capacity or tendency for intense activity; vigour
- the capacity of a body or system to do work
- a measure of this capacity, expressed as the work that it does in changing to some specified reference state. It is measured in joules (SI units)
- a source of power
Etymology: 16th Century: from Late Latin energīa, from Greek energeia activity, from energos effective, from en-² + ergon work |