Conservation of energy

Conservation of energy
Conservation Con`ser*va"tion, n. [L. conservatio: cf. F. conservation.] The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation. [1913 Webster]

A step necessary for the conservation of Protestantism. --Hallam. [1913 Webster]

A state without the means of some change is without the means of its conservation. --Burke. [1913 Webster]

{Conservation of areas} (Astron.), the principle that the radius vector drawn from a planet to the sun sweeps over equal areas in equal times.

{Conservation of energy}, or {Conservation of force} (Mech.), the principle that the total energy of any material system is a quantity which can neither be increased nor diminished by any action between the parts of the system, though it may be transformed into any of the forms of which energy is susceptible. --Clerk Maxwell. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • conservation of energy — n a principle in physics: the total energy of an isolated system remains constant irrespective of whatever internal changes may take place with energy disappearing in one form reappearing in another called also first law of thermodynamics, law of …   Medical dictionary

  • conservation of energy — n. the principle that the total energy in an isolated physical system does not increase or diminish but only changes form …   English World dictionary

  • conservation of energy — apparently coined in French by Leibnitz in 1692; attested in English from early 18c. as conservatio virum vivarum or partially nativized versions of it. The exact phrase is attested from 1853 …   Etymology dictionary

  • Conservation of energy — This article is about the law of conservation of GPE in physics. For sustainable energy resources, see Energy conservation. Prof. Walter Lewin demonstrates the conservation of mechanical energy, touching a wrecking ball with his jaw. (MIT Course… …   Wikipedia

  • conservation of energy — noun the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes • Syn: ↑law of conservation of energy, ↑first law of thermodynamics • Hypernyms: ↑conservation, ↑law of thermodynamics …   Useful english dictionary

  • conservation of energy — Physics. the principle that in a system that does not undergo any force from outside the system, the amount of energy is constant, irrespective of its changes in form. Also called law of conservation of energy. [1850 55] * * * …   Universalium

  • conservation of energy — energijos tvermė statusas T sritis fizika atitikmenys: angl. conservation of energy vok. Energieerhaltung, f rus. сохранение энергии, n pranc. conservation de l’énergie, f …   Fizikos terminų žodynas

  • conservation of energy and momentum — energijos ir impulso tvermė statusas T sritis fizika atitikmenys: angl. conservation of energy and momentum vok. Energie Impuls Erhaltung, f rus. сохранение энергии импульса, n pranc. conservation de l’énergie et de l’impulsion, f …   Fizikos terminų žodynas

  • conservation of energy — Date: 1853 a principle in physics: the total energy of an isolated system remains constant irrespective of whatever internal changes may take place with energy disappearing in one form reappearing in another …   New Collegiate Dictionary

  • CONSERVATION OF ENERGY —    the doctrine that, however it may be transformed or dissipated, no fraction of energy is ever lost, that the amount of force, as of matter, in the universe, under all mutation remains the same …   The Nuttall Encyclopaedia

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