Definition of aspect ratio noun from the Oxford Advanced Learner's Dictionary


aspect ratio

BrE BrE//ˈæspekt reɪʃiəu//
; NAmE NAmE//ˈæspekt reɪʃiou//
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the relationship between the width and the height of the image on the screen of a television, an electronic device, etc. a big-screen TV with a 16:9 aspect ratio