aspect ratio: Meaning and Definition of

as'pect ra"tio

Pronunciation: [key]
  1. the ratio of the span of an airfoil to its mean chord.
  2. the ratio of the width of an image to its height, usually the ratio 4 to 3.
  3. the ratio of the height of a rudder to its fore-and-aft length.
    1. Also calledfineness ratio, slenderness ratio.the ratio of the mean diameter of the body of a rocket or missile to its length.
    2. the ratio of the length of the combustion chamber of a rocket motor to its diameter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.