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noun, Rocketry.
aspect ratio (def 4a).
aspect ratio
Aeronautics. the ratio of the span of an airfoil to its mean chord.
Television. the ratio of the width of an image to its height, usually the ratio 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.

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


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