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 angular momentum

conservation of baryons

conservation of charge

conservation of energy

conservation of leptons

conservation of mass

conservation of momentum

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The first known use of conservation of energy was in 1853

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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

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