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law of conservation of energy

DEFINITIONS OF: law of conservation of energy

1

n 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
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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