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packing fraction
noun
- Physics. a measure of the stability of an atomic nucleus, equal to 10 4 multiplied by the mass defect and divided by the mass number.
packing fraction
noun
- a measure of the stability of a nucleus, equal to the difference between its mass in amu and its mass number, divided by the mass number
packing fraction
/ păk′ĭng /
- The ratio of the total volume of a set of objects packed into a space to the volume of that space.
- The difference between the isotopic mass of a nuclide and its mass number, divided by its mass number. The packing fraction is often interpreted as a measure of the stability of the nucleus.
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Word History and Origins
Origin of packing fraction1
First recorded in 1925–30
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