conservation law

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Related to Conservation (physics): conservation of momentum, conservation of energy

conservation law

n.
Any of various principles, such as the conservation of charge and the conservation of energy, directly related to principles of symmetry and requiring some measurable property of a closed system to remain constant as the system changes.

conserva′tion law`



n.
any physical law stating that a quantity or property remains constant during and after an interaction or process.
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