energy

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Derived terms 1.3.2 Related terms 1.3.3 Translations 1.3.4 External links

[edit] English

Wikipedia

[edit] Etymology

From Ancient Greek ἐνέργεια (energeia), “‘action, act, work’”) < ἐνεργός (energos), “‘active’”) < ἐν (en), “‘in’”) + ἔργον (ergon), “‘work’”).

[edit] Pronunciation

• IPA: /ˈɛnɚʤi/, SAMPA: /"En@`dZi/
•  Audio (US)^{help, file}

[edit] Noun

energy (plural energies)

1. The impetus behind all motion and all activity.
2. The capacity to do work.
3. (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

4. (New Age jargon) An intangible force that is preserved and transferred in human interactions; shared mood or group habit.

[edit] Derived terms

[edit] Related terms

• synergy
• ergonomics

[edit] Translations

[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