addition Pronunciation: /əˈdɪʃən/Translate addition | into French | into German | into Italian Spanish translation of additionn 1 a u [Math] suma (f) adición (f) (frml) b u (adding) adición (f) c (in phrases) in addition = además in addition to = además de 2 c (extra thing) the latest additions to our library = las últimas adquisiciones de nuestra bibliotecaaddition in other Oxford dictionaries Definition of addition in the British & World English dictionary Definition of addition in the US English dictionary
