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neutron number

noun

, Physics.
  1. the number of neutrons in the nucleus of an atom, equal to the mass number minus the atomic number of the atom. : N


neutron number

noun

  1. the number of neutrons in the nucleus of an atom N
“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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Word History and Origins

Origin of neutron number1

First recorded in 1950–55

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