alumium

== English == === Etymology === From alum +‎ -ium. === Pronunciation === (Received Pronunciation, General Australian) IPA(key): /ˌæl.(j)ʊˈm.i.əm/, /ˌæl.(j)ʊˈm.jəm/ (US) IPA(key): /ˌæl.(j)uˈm.i.əm/, /ˌæl.(j)uˈm.jəm/ === Noun === alumium (uncountable) Obsolete form of aluminium and aluminum (element).