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hyperon

[hahy-puh-ron] /ˈhaɪ pəˌrɒn/
noun, Physics.
1.
any baryon with strangeness other than zero, especially one with a relatively long lifetime.
Origin of hyperon
1950-1955
First recorded in 1950-55; hyper- + -on1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for hyperon

hyperon

/ˈhaɪpəˌrɒn/
noun
1.
(physics) any baryon that is not a nucleon
Word Origin
C20: from hyper- + -on
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
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hyperon in Science
hyperon
  (hī'pə-rŏn')   
Any of various baryons, other than the proton and neutron, that do not decay via the strong force. The lambda particle is an example of a hyperon. Hyperons are unstable or semistable, heavier than protons and neutrons, and have nonzero strangeness.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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