Found 2 items, similar to hyperon.
English → English (WordNet) Definition: hyperon hyperon n : any baryon that is not a nucleon; unstable particle with mass greater than a neutron
English → English (gcide) Definition: hyperon hyperon \hyperon\ n. (Physics) Any baryon that is not a nucleon; it is an unstable particle with a mass greater than that of a neutron. [WordNet 1.5]