first law of thermodynamics

Noun
  1. The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes (synset 106114185)
    is a 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
    same as: conservation of energy, law of conservation of energy

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