octohedron

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A form of octahedron — a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.

Scrabble 16
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Meanings

nounoctohedron (plural octohedra or octohedrons)

plural octohedra · plural octohedrons

  1. alternativeAlternative form of octahedron.

    Its primitive figure ſeems to be the regular tetrahedron, which is variouſly modified by truncation, making it appear as octohedrons or hex-octohedrons.

    1795, J[ohann] G[ottfried] Schmeisser, “Zinc”, in A System of Mineralogy, Formed Chiefly on the Plan of Cronstedt, volume II, London: […] C. Dilly […], page 199
Cite this entry
APA

octohedron. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/octohedron

MLA

“octohedron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/octohedron. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “octohedron,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/octohedron.

Source: octohedron on Wiktionary, CC BY-SA 4.0.