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antineutron

[ an-tee-noo-tron, -nyoo-, an-tahy- ]

noun

, Physics.
  1. an elementary particle having no charge and having a mass and spin equal to that of the neutron but with magnetic moment opposite to that of the neutron; the antiparticle of the neutron.


adjective

  1. Also anti-neutron. opposing the building, stockpiling, or use of neutron bombs:

    The antineutron lobby was outnumbered.

antineutron

/ ˌæntɪˈnjuːtrɒn /

noun

  1. the antiparticle of a neutron; a particle having the same mass as the neutron but a magnetic moment of opposite sign
“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


antineutron

/ ăn′tē-no̅o̅trŏn′,ăn′tī- /

  1. The antiparticle that corresponds to the neutron.


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Word History and Origins

Origin of antineutron1

First recorded in 1940–45; anti- + neutron

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