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单词 neutron number
释义

neutron number


noun Physics.

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

Origin of neutron number

First recorded in 1950–55

Words nearby neutron number

neutrois, neutron, neutron bomb, neutron gun, neutron moderator, neutron number, neutron poison, neutron star, neutropenia, neutrophil, neutrophilia
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for neutron number

neutron number

noun

the number of neutrons in the nucleus of an atomSymbol: 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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