Aeronautics. the ratio of the span of an airfoil to its mean chord.
Digital Technology, Television. the ratio of the width of an image to its height, usually a standard ratio such as 16 to 9 or 4 to 3.
Naval Architecture. the ratio of the height of a rudder to its fore-and-aft length.
Also called fineness ratio, slenderness ratio. the ratio of the mean diameter of the body of a rocket or missile to its length.
the ratio of the length of the combustion chamber of a rocket motor to its diameter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use aspect ratio in a sentence
Next to all that normal camera stuff is a tiny little display, which seems to be the same aspect ratio as the front display and appears to simply mirror the front display at all times.New Xiaomi smartphone has an extra screen in… uh, the camera bump? | Ron Amadeo | February 12, 2021 | Ars Technica
The screen would also have a super-wide aspect ratio and a very steep curve, which is tricky to pull off without the images on-screen becoming distorted or disorienting.Razer’s concept gaming chair wraps players in a huge, curved screen | Stan Horaczek | January 12, 2021 | Popular-Science
In addition to the picture quality updates, the Neo QLED TVs include gaming specific features, including support for super-wide aspect ratios and the ability to move the picture up or down on the screen when it’s showing up in letterbox.Samsung is betting big on tiny LEDs for its 2021 TV lineup | Stan Horaczek | January 9, 2021 | Popular-Science
Aspect ratioThere is not necessarily a ton to talk about when it comes to aspect ratio, but it’s important to consider once you settle on an overall size and resolution.
This fact turns out to be equivalent to saying that on a closed curve, you can find rectangles with one-third of all possible aspect ratios.New Geometric Perspective Cracks Old Problem About Rectangles | Kevin Hartnett | June 25, 2020 | Quanta Magazine
An aspect ratio of 10:1 or even 12:1 should be used if possible.
Now the higher the aspect ratio the greater should be the efficiency.
This was intended to give increased strength and permitted of a greater wing-spread and consequently improved aspect ratio.A History of Aeronautics | E. Charles Vivian
This, however, appears to be a rather inadequate reason for the high aspect ratio producing the high lift-drift ratio.The Aeroplane Speaks | H. Barber
It is this very question of aspect ratio which has given us the monoplane, the biplane, and the triplane.
British Dictionary definitions for aspect ratio
the ratio of width to height of the picture on a television or cinema screen
aeronautics the ratio of the span of a wing to its mean chord
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012