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binding energy

noun, Physics.
1.
Also called separation energy. the energy required to decompose a molecule, atom, or nucleus into its constituent particles, equal to the energy equivalent of the mass defect.
2.
the energy required to separate a single particle or group of particles from a molecule, atom, or nucleus.
Compare mass defect.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for binding-energy

binding energy

noun (physics)
1.
the energy that must be supplied to a stable nucleus before it can undergo fission. It is equal to the mass defect
2.
the energy required to remove a particle from a system, esp an electron from an atom
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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