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binding energy

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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 of binding energy

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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