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.
- Welsh mountain sheep
- Welsh mutton
- Welsh nationalism
- Welsh nationalist
- Welsh Nationalist Party
- Welshness
- Welsh Not
- Welsh note
- Welsh Office
- Welsh onion
- Welsh plain
- Welsh pony
- Welsh poppy
- Welsh rabbit
- Welsh rarebit
- Welsh-rooted
- Welsh runt
- Welshry
- Welsh speedwell
- Welsh terrier
- Welsh uncle
- Welsh vault
- Welsh Wales
- Welsh wave
- Welsh web