hyperon definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Particle Physics an unstable baryon that is more massive than a neutron
Origin: hyper- plush (bary)on
hyperon definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A semistable or unstable baryon with mass greater than the neutron. See Table at subatomic particle.
hyperon - Science Definition
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 .