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antinucleon

[an-tee-noo-klee-on, -nyoo-, an-tahy-]
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noun Physics.
  1. an antiproton or an antineutron.
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Origin of antinucleon

First recorded in 1945–50; anti- + nucleon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for antinucleon

antinucleon

noun
  1. an antiproton or an antineutron
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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

antinucleon in Science

antinucleon

[ăn′tē-nōōklē-ŏn′, ăn′tī-]
  1. The antiparticle that corresponds to a nucleon.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.