411 REFERENCE · Wiktionary
-onium
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
onium
English
Etymology 1
en particle physics onium<id:from-pattern-whence-muonium_s-name> :af -on<id:particle> -ium 1
From en onium from-pattern-whence-muonium_s-name or en -on ium.
Suffix
en particle physics Designating an onium particle.
Derived terms
en particle physics
Etymology 2
en chemistry onium<id:der-en-en-ammonium> 1 +
Suffix
en chemistry Used to form the name of polyatomic cations. Common examples are quaternary ammonium compounds used as neuromuscular blocking agents, cholinergic agents, anticholinergic agents, antibacterials/antiseptics, or other agents.
Alternative form: en -ium
Derived terms
en chemistry
References
IUPAC Gold Book: onium compounds
en Antimatter Exotic atoms
French
Pronunciation
Suffix
fr suffix
en -onium
Derived terms
fr