hyperon
noun
hy·per·on ˈhī-pə-ˌrän 
: an elementary particle of the baryon group having greater mass than a nucleon
Example Sentences
Recent Examples on the Web For example, neutrons might be replaced by hyperons, three-quark particles that include at least one strange quark. 
Quanta Magazine, 30 Oct. 2017
Quanta Magazine, 30 Oct. 2017 Word History
Etymology
probably from hyper- + -on entry 2
First Known Use
1953, in the meaning defined above
- reordinations
- reorganisation
- reorganisations
- reorganise
- reorganised
- reorganiser
- reorganisers
- reorganises
- reorganising
- reorganization
- reorganizational
- reorganizations
- reorganize
- reorganized
- reorganizer
- reorganizers
- reorganizes
- reorganizing
- reorient
- reorientate
- reorientated
- reorientates
- reorientating
- reorientation
- reorientations