单词	neutron
释义	neutron noun neu·​tron ˈnü-ˌträn  ˈnyü- : 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 neutronic nü-ˈträ-nik  nyü- adjective Example Sentences Recent Examples on the Web This is seen, for instance, where black holes or neutron stars are in a close orbit such as this. Robert Lea, Popular Mechanics, 14 Sep. 2022 Such short periodicity provides strong evidence for a neutron-star origin of the event. Julia Musto, Fox News, 20 July 2022 Magnetars are neutron stars with incredibly powerful magnetic fields, while radio pulsars release radio waves that appear to pulse as the neutron star rotates. Ashley Strickland, CNN, 13 July 2022 Many neutron stars are in systems with another object—in some cases a neutron star. John Timmer, Ars Technica, 8 June 2022 The gravitational waves recorded so far were released by the mergers of massive objects such as black holes and neutron stars. Dan Falk, Smithsonian Magazine, 2 Aug. 2022 Because of their fast spinning and massive amount of energy, many neutron stars appear to pulse in visible light as well as other wavelengths, which scientists term pulsars. Caroline Delbert, Popular Mechanics, 18 July 2022 The astronomers hope to observe more bursts from FRB 20191221A, which could help to refine their understanding of its source, and of neutron stars in general, the university said. Globe Staff, BostonGlobe.com, 18 July 2022 Like other FRBs, the source of FRB 20191221A is a mystery – but the researchers noted that its emissions are similar to a radio pulsar or a magnetar, two types of neutron stars. Wyatte Grantham-philips, USA TODAY, 14 July 2022 See More Word History Etymology probably from neutral First Known Use 1921, in the meaning defined above Phrases Containing neutron neutron activation analysis neutron bomb neutron star neutron activation analysis neutron bomb neutron star Kids Definition neutron noun neu·​tron ˈnü-ˌträn  ˈnyü- : a particle that has a mass nearly equal to that of the proton but no electrical charge and that is present in all atomic nuclei except those of hydrogen Medical Definition neutron noun neu·​tron ˈn(y)ü-ˌträn  : 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
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