Origin of hyperon

First recorded in 1950–55; hyper- + -on1
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British Dictionary definitions for hyperon


  1. physics any baryon that is not a nucleon

Word Origin for hyperon

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

hyperon in Science


  1. Any of various baryons, other than the proton and neutron, that are unstable. The lambda particle is such an example. Hyperons are heavier than protons and neutrons, and they have nonzero strangeness.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.