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Definition of Pentahedral
1. a. Having five sides; as, a pentahedral figure.
Definition of Pentahedral
1. Adjective. relating to a pentahedron ¹
¹ Source: wiktionary.com
Definition of Pentahedral
1. [adj]
Lexicographical Neighbors of Pentahedral
Literary usage of Pentahedral
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Text-book of Geometry by George Albert Wentworth (1898)
"Two consecutive face angles of one surface will unite with three consecu- -^ tive
face angles of the other, and form a regular pentahedral angle, ..."
2. Elements of Geometry, Theoretical and Practical: Including Constructions of by Eugenius Nulty (1836)
"... the vertices of the pentagon construct, by virtue of this dihedral angle, five
equal pentahedral angles, of which the faces are equilateral triangles. ..."
3. Lectures on the Ikosahedron and the Solution of Equations of the Fifth Degree by Felix Klein (1888)
"We can then, and in fact immediately in virtue of (1), denote the ratios of the
x's as point- coordinates of ordinary space, its so-called pentahedral ..."
4. Illustrations of the Geology of Yorkshire; Or, A Description of the Strata by John Phillips (1836)
"pentahedral, depressed, middle of each valve ... S. elongata. Ph. PI. XI. fig.
9- Bolland. pentahedral, smooth, with obtuse radiations. ..."
5. Euclid's Elements of Geometry by Henry Martyn Taylor (1895)
"And all the points lie on a sphere whose centre is O, since OP1=£(o? + P).
Each solid pentahedral angle is composed of five equal trihedral angles ..."
6. Plane and Solid Geometry by Fletcher Durell (1911)
"Find the area of a spherical hexagon each of whose angles is 150°, on a sphere
whose radius is 20 in. Ex. 20. If each dihedral angle of a given pentahedral ..."
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