helionium
English
Etymology
- (helion-antihelion pair): helium + -onium
Noun
helionium (plural helionia)
- Any atomic system containing a helium nucleus and an antihelium nucleus.
Hypernyms
- exotic atom
helion-antihelion pair
- onium
See also
- antihelion
- helion
- helium-3
- helonium
References
- (helion-anithelion pair):
onium on Wikipedia.Wikipedia