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Definition of Conservation of energy
1. Noun. The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes.
Exact synonyms: First Law Of Thermodynamics, Law Of Conservation Of Energy
Generic synonyms: Law Of Thermodynamics, Conservation
Generic synonyms: Law Of Thermodynamics, Conservation
Medical Definition of Conservation of energy
1. The principle that the total amount of energy in a closed system remains always the same, none being lost or created in any chemical or physical process or in the conversion of one kind of energy into another, within that system. (05 Mar 2000)