i. The positive acute angle between the lateral axis of an airplane and a line through the center of a wing or horizontal stabilizer. A dihedral is normally associated with a low-wing aircraft, although some dihedral angles may be incorporated into high-wing aircraft as well. A dihedral increases the lateral stability of an airplane.
ii. The angular difference between the chords of the wing and the tailplane. This is normally referred to as longitudinal dihedral.

Aviation dictionary. 2014.

Look at other dictionaries:

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