aspect ratio

noun

: a ratio of one dimension to another: such as

a

: the ratio of span to mean chord of an airfoil

b

: the ratio of the width of a television or motion-picture image to its height

Examples of aspect ratio in a Sentence

Recent Examples on the Web

The 37-inch Odyssey G7 features a steady 165Hz refresh rate and a native 4K UHD resolution of 3840x2160, yielding a 16:9 aspect ratio, while the 40-inch Odyssey G7 steps up the refresh rate to 180Hz, and switches to a WUHD resolution of 5120x2160, yielding a 21:9 native aspect ratio. —John Archer, Forbes.com, 13 Aug. 2025

This will be less of an issue when watching a movie or playing a game, since most movies and shows are displayed at a 16:9 aspect ratio that matches 1080p anyway, but game UI elements in the corners of the screen can still get clipped at the taller resolution. —PC Magazine, 30 July 2025

We’re reminded of this via a flashback of the pair’s breakup, which is from so long ago that the clip is in a totally different aspect ratio. —Tom Smyth, Vulture, 1 Aug. 2025

Google’s engineers worked on expanding the aspect ratio, smoothing out the film grain and even adding new background details. —Dani Di Placido, Forbes.com, 30 July 2025

Word History

First Known Use

1907, in the meaning defined above

Rhymes for aspect ratio

• adagio
• altiplano
• arapaho
• arapahoe
• manifesto
• medicago
• minangkabau
• oregano
• ostinato
• pistachio
• politico
• portfolio

Kids Definition

aspect ratio

noun

: a comparison of one dimension (as width) to another (as height)