energy
Definition from Wiktionary, the free dictionary
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[edit] English
[edit] Etymology
From Ancient Greek ἐνέργεια (energeia, “action, act, work”), from ἐνεργός (energos, “active”), from ἐν (en, “in”) + ἔργον (ergon, “work”).
[edit] Pronunciation
[edit] Noun
energy (plural energies)
- The impetus behind all motion and all activity.
- The capacity to do work.
- (physics) A quantity that denotes the ability to do work and is measured in a unit dimensioned in mass × distance²/time² (ML²/T²) or the equivalent.
- Units:
- SI: joule (J), kilowatt-hour (kW·h)
- CGS: erg (erg)
- Customary: foot-pound-force, calorie, kilocalorie (i.e. dietary calories), BTU, liter-atmosphere, ton of TNT
- Units:
- (New Age jargon) An intangible force that is preserved and transferred in human interactions; shared mood or group habit.
[edit] Derived terms
Terms derived from "energy"
[edit] Related terms
[edit] Translations
impetus behind activity
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capacity to do work
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physics
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[edit] External links
- energy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- energy in The Century Dictionary, The Century Co., New York, 1911
