-onium

See also: onium

English

Etymology

From onium or -on +‎ -ium.

Suffix

-onium

1. (particle physics) Designating an onium particle.
2. (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: -ium

Derived terms

English terms suffixed with -onium

argonium

azamethonium

benzalkonium

benzethonium

bevonium

bibenzonium

bottomonium

bottonium

cefalonium

cetalkonium

cetrimonium

charmonium

-curonium

decamethonium

denatonium

edrophonium

emepronium

fluxonium

gluonium

helionium

helonium

hexafluronium

hexamethonium

mebezonium

meldonium

muononium

octetonium

quarkonium

strangeonium

suxamethonium

suxethonium

tetramethyluronium

tetrylammonium

tibezonium

toponium

References

• IUPAC Gold Book: onium compounds

French

Pronunciation

• IPA^(key): /ɔ.njɔm/

Suffix

-onium

1. -onium

Derived terms

French terms suffixed with -onium

hélonium