### Definition of Dihedral

1. a. Having two plane faces; as, the dihedral summit of a crystal.

2. a. Of a kite or an aëroplane, having wings that make with one another a dihedral angle, esp. when the angle between the upper sides is less than 180°.

### Definition of Dihedral

1. Noun. (mathematics) An angle between two plane surfaces ¹

2. Noun. (aeronautics) The upward slope of an aircraft's wing ¹

3. Noun. (chemistry) The angle between pairs of chemical bonds separated by a third bond ¹

4. Adjective. (mathematics) Consisting of, relating to or contained between two plane surfaces. ¹

¹ Source: wiktionary.com

### Definition of Dihedral

1. a dihedron [n -S] - See also: dihedron

### Lexicographical Neighbors of Dihedral

 digs outdigs updiguanidediguanidesdiguanidinobutanasediguanylate cyclasedigyniadigyniandigynousdihadron dihalidedihalidesdihdroxyindole-carboxylic acid oxidasedihedradihedral (current term)dihedral angledihedral anglesdihedralsdihedrondihedrons dihematoporphyrin etherdiheterabenzenediheterabenzenesdiheterozygotedihexagonaldiholedihybriddihybrid crossdihybrids

### Literary usage of Dihedral

Below you will find example usage of this term as found in modern and/or classical literature:

1. Plane and Solid Geometry by George Wentworth, David Eugene Smith (1913)
"dihedral Angle. The opening between two intersecting planes is called a dihedral angle. In this figure the two planes AM and BN are called the faces of the ..."

2. Plane and Solid Geometry by George Albert Wentworth (1904)
"dihedral ANGLES. 536. DBF. The opening between two intersecting planes is called a dihedral angle. 537. DBF. The line of intersection AB of the planes is ..."

3. Theory and Applications of Finite Groups by George Abram Miller, Hans Frederick Blichfeldt, Leonard Eugene Dickson (1916)
"There is at least one dihedral group of every even order greater than 4, ... Moreover, there is only one abstract dihedral group of order 2n, n>l. ..."

4. A Text-book of Geometry by George Albert Wentworth (1898)
"dihedral ANGLES. 500. The opening between two intersecting planes is called a dihedral angle. The line of intersection AB of the planes is the edge, ..."

5. Solid Geometry by George Albert Wentworth (1902)
"dihedral ANGLES. 536. DBF. The opening between two intersecting planes is called a dihedral angle. 537. DBF. The line of intersection AB of the planes is ..."

6. Solid Geometry by Clara Avis Hart, Daniel D. Feldman, John Henry Tanner, Virgil Snyder (1912)
"dihedral ANGLES 666. Defs. A dihedral angle is the figure formed by two planes that diverge ... The planes forming a dihedral angle are called its faces, ..."

7. Plane and Solid Geometry by William James Milne (1899)
"QED dihedral ANGLES 471. The opening between two intersecting planes is called a dihedral Angle, or simply a dihedral. The intersection of the planes is ..."