What is the meaning of conservation of energy?

The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes.
- synonyms: law of conservation of energy, first law of thermodynamics

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APA	WordNet. (2010). conservation of energy. Retrieved September 22, 2026, from http://smartdefine.org/conservation_of_energy/definitions/1215180
Chicago	WordNet. 2010. "conservation of energy" http://smartdefine.org/conservation_of_energy/definitions/1215180 (accessed September 22, 2026).
Harvard	WordNet 2010, conservation of energy, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/conservation_of_energy/definitions/1215180>.
MLA	WordNet. "conservation of energy" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/conservation_of_energy/definitions/1215180>

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