octahedron

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noun

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

OriginAncient Greek ὀκτάεδρον →
UncommonScrabble 16
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Meanings

nounoctahedron (plural octahedra or octahedrons)

plural octahedra · plural octahedrons · alternative octohedron

  1. geometrya polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.

Origin

  1. Ancient Greekὀκτάεδρον
  2. Englishoctahedron

From Ancient Greek ὀκτάεδρον (oktáedron). By surface analysis, octa- + -hedron.

More words from Ancient Greek

Full word history & related roots →

Translations

Ancient Greek ὀκτάεδρον
  • ὀκτάεδρον (oktáedron)a polyhedron with eight faces
Bulgarian октаедър
  • октаедър (oktaedăr)a polyhedron with eight faces
Catalan octaedre, octàedre
  • octaedrea polyhedron with eight faces
  • octàedrea polyhedron with eight faces
Chinese Mandarin 八面體 /八面体
  • 八面體 /八面体 (bāmiàntǐ)a polyhedron with eight faces
Czech osmistěn, oktaedr
  • osmistěna polyhedron with eight faces
  • oktaedra polyhedron with eight faces
Danish oktaeder
  • oktaedera polyhedron with eight faces
Dutch achtvlak, octaëder
  • achtvlaka polyhedron with eight faces
  • octaëdera polyhedron with eight faces
Esperanto okedro
  • okedroa polyhedron with eight faces
Finnish oktaedri
  • oktaedria polyhedron with eight faces
French octaèdre
  • octaèdrea polyhedron with eight faces
German Oktaeder, Achtflächner
  • Oktaedera polyhedron with eight faces
  • Achtflächnera polyhedron with eight faces
  • 8-Flächnera polyhedron with eight faces
Hindi अष्टफलक
  • अष्टफलक (aṣṭphalak)a polyhedron with eight faces
Hungarian oktaéder
  • oktaédera polyhedron with eight faces
Icelandic áttflötungur
  • áttflötungura polyhedron with eight faces
Indonesian oktahedron, bidang delapan
  • oktahedrona polyhedron with eight faces
  • bidang delapana polyhedron with eight faces
Italian ottaedro
  • ottaedroa polyhedron with eight faces
Japanese 八面体
  • 八面体 (hachimentai)a polyhedron with eight faces
Korean 팔면체
  • 팔면체 (palmyeonche)a polyhedron with eight faces
Latin octahedrum
  • octahedruma polyhedron with eight faces
Polish ośmiościan, oktaedr
  • ośmiościana polyhedron with eight faces
  • oktaedra polyhedron with eight faces
Portuguese octaedro
  • octaedroa polyhedron with eight faces
Russian окта́эдр, восьмигра́нник
  • окта́эдр (oktáedr)a polyhedron with eight faces
  • восьмигра́нник (vosʹmigránnik)a polyhedron with eight faces
Spanish octaedro
  • octaedroa polyhedron with eight faces
Swedish oktaeder
  • oktaedera polyhedron with eight faces
Tagalog waldayag
  • waldayaga polyhedron with eight faces
Vietnamese bát diện
  • bát diệna polyhedron with eight faces
Cite this entry
APA

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

MLA

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

Chicago

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

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