pionium en · NOUN
Etymology
Etymology tree English pion Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English pionium From pion + -ium.
Meanings
- an exotic atom equivalent to a hydrogen atom with the proton replaced by a pion
- an onium where the bound antiparticle-particle pair is a pion and an antipion.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| pioniums | Number=Plur | lexicographic |
Synonyms
pi-mu atom (exotic atom)
Translations (1)
it pionio (atom)