oksoniumioni

== Finnish == === Etymology === oksonium +‎ ioni === Pronunciation === IPA(key): /ˈoksoniumˌioni/, [ˈo̞ks̠o̞niumˌio̞ni] Rhymes: -ioni Syllabification(key): ok‧so‧ni‧um‧i‧o‧ni Hyphenation(key): ok‧so‧nium‧io‧ni === Noun === oksoniumioni (chemistry) oxonium ion ==== Declension ====