conservation_of_energy
1. [ noun ] (physics,thermodynamics) the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
Synonyms: first_law_of_thermodynamics law_of_conservation_of_energy
Related terms: law_of_thermodynamics conservation
Similar spelling:   conservation_of_matter
  conservation_of_parity
  conservation_of_charge
  conservation_of_mass
  conservation_of_momentum