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(), n.; pl. Energies (). [F. nergie, LL. energia, fr. Gr., fr. active; in + work. See In, and Work.] 1. Internal or inherent power; capacity of acting, operating, or producing an effect, whether exerted or not; as, men possessing energies may suffer them to lie inactive. The great energies of nature are known to us only by their effects. Paley. 2. Power efficiently and forcibly exerted; vigorous or effectual operation; as, the energy of a magistrate. 3. Strength of expression; force of utterance; power to impress the mind and arouse the feelings; life; spirit; -- said of speech, language, words, style; as, a style full of energy. 4. (Physics) Capacity for performing work. The kinetic energy of a body is the energy it has in virtue of being in motion. It is measured by one half of the product of the mass of each element of the body multiplied by the square of the velocity of the element, relative to some given body or point. The available kinetic energy of スポンサード リンク
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