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aspect ratio

 - 3 dictionary results

aspect ratio

 
Use aspect ratio in a Sentence
–noun
1. Aeronautics. the ratio of the span of an airfoil to its mean chord.
2. Television. the ratio of the width of an image to its height, usually the ratio 4 to 3.
3. Naval Architecture. the ratio of the height of a rudder to its fore-and-aft length.
4. Rocketry.
a. Also called fineness ratio, slenderness ratio. the ratio of the mean diameter of the body of a rocket or missile to its length.
b. the ratio of the length of the combustion chamber of a rocket motor to its diameter.
Origin:
1905–10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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aspect ratio  
n.  

  1. The width-to-height ratio of a film or television image.

  2. The span-to-mean-chord ratio of an airfoil.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

aspect ratio graphics
The ratio of width to height of a pixel, image, or display screen. Square pixels (1:1) are considered preferable but displays are usually about 5:4.
(1994-11-30)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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