noun Date: 1907 a ratio of one dimension to another: as, the ratio of span to mean chord of an airfoil, the ratio of the width of a television or motion-picture image to its height
ASPECT RATIO
Meaning of ASPECT RATIO in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012