Dihedral
Look up dihedral or polyhedral in Wiktionary, the free dictionary.
Dihedral or polyhedral may refer to:
- Dihedral angle, the angle between two mathematical planes
 - Dihedral (aeronautics), the upward angle of a fixed-wing aircraft's wings where they meet at the fuselage, dihedral effect of an aircraft, longitudinal dihedral angle of a fixed-wing aircraft
 - Dihedral group, the group of symmetries of the n-sided polygon in abstract algebra
 - Dihedral kite, also known as a bowed kite
 - Dihedral doors, also known as butterfly doors
 - Dihedral prime, also known as a dihedral calculator prime
 - In rock climbing, an inside corner of rock
 
See also
- Anhedral (disambiguation)
 - Euhedral, a crystal structure
 - Polyhedron, a geometric shape