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English definition of “aperture”


noun [C]     /ˈæp.ə.tʃər/ US  /-ɚ.tʃɚ/
a small and often narrow opening, especially one that allows light into a cameraPhotographyHoles, hollows and dips
(Definition of aperture noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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