nucleonium
/njuːklɪˈəʊnɪəm/Particle Physics. Now rare
noun
A particle consisting of a nucleon and the corresponding antinucleon bound to each other. Usually without article, and attributive.
Origin
1950s; earliest use found in The Physical Review. From nucle- + -onium.
- plagioclase feldspar
- plagioclasic
- plagioclastic
- plagioclimax
- plagioclinal
- plagiogranite
- plagiograph
- plagionite
- plagiosere
- plagiostome
- plagiotropic
- plagiotropism
- plagiotropous
- plagiotropy
- plagium
- plague
- plague bacillus
- plague bill
- plague flea
- plagueful
- plague house
- plagueless
- plague-like
- plague mark
- plague pipe