extension Pronunciation: /ɪkˈstenʃn/Translate extension | into French | into Italian | into Spanish German translation of extensionn. 1 Verlängerung 2 (part of house) Anbau 3 (telephone) Nebenanschluss; (number) Apparatextension in other Oxford dictionaries Definition of extension in the British & World English dictionary Definition of extension in the US English dictionary
