aperture Pronunciation: /ˈæpərtʃər; ˈæpətʃə(r)/Translate aperture | into German | into Italian Spanish translation of aperturen 1 [Opt, Phot] apertura (f) 2 (hole, opening) (frml) orificio (m); (long and narrow) rendija (f)aperture in other Oxford dictionaries Definition of aperture in the British & World English dictionary Definition of aperture in the US English dictionary