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From Longman Dictionary of Contemporary English
Related topics: Chemistry, Physics
neutronneu‧tron /ˈnjuːtrɒn $ ˈnuːtrɑːn/ noun [countable] technical  HCHPa part of an atom that has no electrical charge
Examples from the Corpus
neutronFirst, then, what about neutron decay?These stars would be supported by the exclusion principle repulsion between neutrons and protons, rather than between electrons.They were therefore called neutron stars.In another analytical method, neutron activation, an atomic reactor is used to bombard the mineral with fast-moving neutrons.Quarks unite to form protons, neutrons and electrons, which in turn unite to form atoms.Each U-235 nucleus that decays spontaneously emits two large but unequal fragments, plus several neutrons.Then they saw Jones' underground laboratory, the neutron spectrometer and its data, which were much more extensive than theirs.This is about a factor of 3 smaller than current best estimates of the neutron star radius.
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