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Definition of Octahedron
1. Noun. Any polyhedron having eight plane faces.
Definition of Octahedron
1. n. A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.
Definition of Octahedron
1. Noun. (geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids. ¹
¹ Source: wiktionary.com
Definition of Octahedron
1. [n -DRA or -DRONS]
Medical Definition of Octahedron
1.
Lexicographical Neighbors of Octahedron
Literary usage of Octahedron
Below you will find example usage of this term as found in modern and/or classical literature:
1. Solid Geometry by William Betz, Harrison Emmett Webb (1916)
"These lines are the edges of a new solid, called a regular octahedron, that is,
... How many edges has a regular octahedron? How many vertices ? ..."
2. A System of Mineralogy: Including an Extended Treatise on Crystallography by James Dwight Dana (1837)
"A replacement of the eight solid angles gives rise to a right square octahedron, (figs.
51, 52,) in a manner similar to the derivation of a regular ..."
3. The Metallography of Steel and Cast Iron by Henry Marion Howe (1916)
"270, concerning those planes give the directions of their traces on the cubic
face and on the truncations of a cube by the octahedron and by the ..."
4. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"Their derivation and signs are as follows. The tetrahedron arises when four
alternate faces of the octahedron, two opposite above and ..."
5. The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art by David Ames Wells, George Bliss, Samuel Kneeland, John Trowbridge, Charles Robert Cross (1860)
"If we now join each pole of the octahedron with the three poles of the octahedron
in the ... Within this skeleton cube we now inscribe a regular octahedron, ..."
6. The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art. by David Ames Wells, George Bliss, Samuel Kneeland, John Trowbridge, Wm Ripley Nichols, Charles R Cross (1867)
"If we now join each pole of the octahedron with the three )>oles of the octahedron in
... Within this skeleton cube we now inscribe a regular octahedron, ..."
7. Manual of Mineralogy and Geology by Ebenezer Emmons (1832)
"Regular octahedron. The regular octahedron (Fig. 3.) is a solid, bounded by eight
equilateral triangles, or it is formed of two four sided pyramids united ..."
8. Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge by Charles Knight (1837)
"These are in some degree arbitrarily assumed, as it appears from the three
following figures, showing the relation between the cubes and angular octahedron. ..."
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