conservation of energy

noun phrase

Definition of conservation of energy

: 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

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“Conservation of energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conservation%20of%20energy. Accessed 16 Aug. 2022.

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conservation of energy

noun

Medical Definition of conservation of energy

: 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 conservation of energy