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dihedral angle

American  

noun

Geometry.
  1. the angle between two planes in a dihedron.

  2. dihedron.


Etymology

Origin of dihedral angle

First recorded in 1820–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The main plane is built upon four transverse spars of ash, set at a slight dihedral angle, two being placed on each side of the central bamboo.

From Flying Machines: construction and operation; a practical book which shows, in illustrations, working plans and text, how to build and navigate the modern airship by Chanute, Octave

He had no ailerons nor wing-warping mechanism, but for lateral balance depended on the dihedral angle of the wings and upon suitable movements of his weight or of the vertical rudder.

From A History of Aeronautics by Vivian, Evelyn Charles

Since this form has no dihedral angle, it is necessary to supply a tail, which thus serves to keep it in equilibrium, while in flight.

From Aeroplanes by Zerbe, James Slough

The Dihedral Board.—Another method of securing the dihedral angle, and also the angle of incidence, is by means of the dihedral board.

From The Aeroplane Speaks Fifth Edition by Barber, H. (Horatio)

The wings were fixed at a considerable dihedral angle, and the engine was a twenty-four horse-power Antoinette.

From The War in the Air; Vol. 1 The Part played in the Great War by the Royal Air Force by Raleigh, Walter Alexander, Sir

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