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 width-to-height ratio of an image (as on a computer, television, or movie screen)

Examples of aspect ratio in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The study reveals that the performance of the soft mechanical metamaterial is limited by the beam aspect ratio, which is defined as the ratio of the length to the width of each beam. Jijo Malayil, Interesting Engineering, 2 Nov. 2025 These 16-inch gaming laptops replaced the 15.6-inch gaming laptops of the past, which used a 16:9 aspect ratio screen. Luke Larsen, Wired News, 28 Sep. 2025 The screen ratio is slightly wider, offering a 2:1 aspect ratio rather than the more common 20:9 ratio seen in modern flagships. Ewan Spence, Forbes.com, 13 Sep. 2025 The cameras also get a refresh, with the main lens now 48MP along with a 48MP ultra-wide lens, and a Center Stage front camera with a sensor double the size of the iPhone 16's, along with a new square aspect ratio for better horizontal and vertical images. K. Thor Jensen, PC Magazine, 12 Sep. 2025 See All Example Sentences for aspect ratio

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of aspect ratio was in 1907

Browse Nearby Words

Cite this Entry

“Aspect ratio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aspect%20ratio. Accessed 6 Nov. 2025.

Kids Definition

aspect ratio

noun
: a comparison of one dimension (as width) to another (as height)
Last Updated: - Definition revised
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!