conversion Pronunciation: /kənˈvɜːʃn/Translate conversion | into French | into Italian | into Spanish German translation of conversionn. 1 Umwandlung (into in) (+ Akk.) 2 (adaptation) Umbau 3 (of person) Bekehrung (to zu) conversion in other Oxford dictionaries Definition of conversion in the British & World English dictionary Definition of conversion in the US English dictionary