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conservation of mass
noun
, Physics.
- the principle that in any closed system subjected to no external forces, the mass is constant irrespective of its changes in form; the principle that matter cannot be created or destroyed.
conservation of mass
noun
- the principle that the total mass of any isolated system is constant and is independent of any chemical and physical changes taking place within the system
conservation of mass
- A principle of classical physics stating that the total mass of a closed system is unchanged by interaction of its parts. The principle does not hold under Special Relativity, since mass and energy can be converted into one another.
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Word History and Origins
Origin of conservation of mass1
First recorded in 1880–85
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