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- Dictionarycon·ser·va·tion of en·er·gy
noun
- 1. a principle stating that energy cannot be created or destroyed, but can be altered from one form to another.
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- Conservation of energy
Law of physics and chemistry
The law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. In the case of a closed system the principle says that the total amount of energy within the system can only be changed through energy entering or leaving the system. Energy can neither be created nor destroyed; rather, it can only be transformed or transferr... Wikipedia
