law of conservation of energy

Definitions of law of conservation of energy
  1. noun
    the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
    synonyms: conservation of energy, first law of thermodynamics
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    type of:
    law of thermodynamics
    (physics) a law governing the relations between states of energy in a closed system
    conservation
    (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
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Vocabulary lists containing law of conservation of energy

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