- any baryon with strangeness other than zero, especially one with a relatively long lifetime.
Origin of hyperon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- physics any baryon that is not a nucleon
C20: from hyper- + -on
- 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.
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