Dihedral

Di┬Ěhe'dral adjective [ Greek di- = di`s- twice + ... a seat, bottom, base, from ... to sit. Confer Diedral .] Having two plane faces; as, the dihedral summit of a crystal. Dihedral angle , the angular space contained between planes which intersect. It i...
Found on http://www.encyclo.co.uk/webster/D/65

Dihedral

• (a.) Having two plane faces; as, the dihedral summit of a crystal. • (a.) Of wing pairs, inclined at an upward angle to each other. • (a.) Of a kite or an aeroplane, having wings that make with one another a dihedral angle, esp. when the angle between the upper sides is less than 180
Found on http://thinkexist.com/dictionary/meaning/dihedral/

DIHEDRAL

The acute angle, usually upward, between the wing of an airplane and a horizontal cross-section line. Opposite of ANHEDRAL.
Found on http://www.aerofiles.com/glossary.html

Dihedral

[aeronautics] Dihedral angle is the upward angle from horizontal of the wings or tailplane of a fixed-wing aircraft. `Anhedral angle` is the name given to negative dihedral angle, that is, when there is a downward angle from horizontal of the wings or tailplane of a fixed-wing aircraft. Dihedral angle (or anhedral angle) has a strong influe...
Found on http://en.wikipedia.org/wiki/Dihedral_(aeronautics)

DIHEDRAL

The uptilt of wing panels toward the tips Dihedral is applied for purposes of stability and to provide a turning moment for rudder-only models
Found on http://www.encyclo.co.uk/local/22135

Dihedral

A wing position used by some birds when soaring. A dihedral resembles a V, with wings tips raised from horizontal. e.g. Turkey vultures commonly soar in a dihedral wing position.
Found on http://www.encyclo.co.uk/local/22220

Dihedral

When a bird in flight holds its wings such that they appear to form a
Found on http://www.jacanaent.com/PhotoLib/Glossary.htm

DIHEDRAL

The acute angle, usually upward, between the wing of an airplane and a horizontal cross-section line. Opposite of ANHEDRAL.
Found on http://www.eaa.org/experimenter/glossary.asp

Dihedral

The acute angle, usually upward, between the wing of an airplane and a horizontal cross-section line
Found on http://www.superglossary.com/Glossary/Technology/Aviation/
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