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Bible Encyclopedias

1911 Encyclopedia Britannica

Octahedron

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OCTAHEDRON (Gr. 6KT6, eight, Spa, base), a solid bounded by eight triangular faces; it has 6 vertices and 12 edges. The regular octahedron has for its faces equilateral triangles; it is the reciprocal of the cube. Octahedra having triangular faces other than equilateral occur as crystal forms. See Polyhedron and Crystallography.


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Chisholm, Hugh, General Editor. Entry for 'Octahedron'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/bri/o/octahedron.html. 1910.

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