helionium en · NOUN
Etymology
Etymology tree English helium English onium English -on Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English -onium English helionium * (helion-antihelion pair): helium + -onium
Meanings
- Any atomic system containing a helium nucleus and an antihelium nucleus.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| helionia | Number=Plur | lexicographic |
Hypernyms
onium (helion-antihelion pair) · exotic atom
Relateds
antihelion · helion · helium-3 · helonium