radius Pronunciation: /ˈreɪdɪəs/Translate radius | into French | into Italian | into Spanish German translation of radiusn. (pl. radii /ˈreɪdɪaɪ/ or, radiuses) [Math.] Radius; (fig.) Umkreisradius in other Oxford dictionaries Definition of radius in the British & World English dictionary Definition of radius in the US English dictionary
