Толковый словарь английского языка Oxford English Reference - neutron
Neutron
neutron
n. an elementary particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen. Phrases and idioms neutron bomb a bomb producing neutrons and little blast, causing damage to life but little destruction to property. neutron star a very dense star composed mainly of neutrons. Etymology: NEUTRAL + -ON
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noun Etymology: probably from neutral Date: 1932 an uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus, ~ic adjective ...Толковый словарь английского языка
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