Morpheme
Onium
Type
free base
Denotation
complex cation derived from nitrogen, chalcogen, or halogen families
Etymology
lexicalization of -onium, from ammonium (<Ammon + -ium>)
Evidence
alkyloxonium, argonium, azamethonium, benzalkonium, benzethonium, bibenzonium, cefalonium, cetrimonium, decamethonium, denatonium, hexamethonium, hydronium, hydroxonium, onium, oniums, oxonium, phenoxonium, suxamethonium, tetramethyluronium
