protonium en · NOUN
Etymology
Etymology tree Proto-Indo-European *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *próder. Ancient Greek πρό (pró) Ancient Greek -ᾰτος (-ătos) Ancient Greek πρῶτον (prôton)lbor. English proton Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English protonium From proton + -ium.
Meanings
- An exotic atom consisting of a proton bound to an antiproton.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| protoniums | Number=Plur | lexicographic |