octahedron
octahedron noun: a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
Noun
octahedron (plural octahedra or octahedrons)
- a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
octahedron meaning in Hindi, Tamil, Tagalog and Indonesian
octahedron in Hindi
- a polyhedron with eight faces
- अष्टफलक aṣṭphalak
octahedron in Tamil
- எண்முகத்திண்மம், எண்தளப்படிகம், எண்முகி
octahedron in Tagalog
- a polyhedron with eight faces
- waldayag
octahedron in Indonesian
- a polyhedron with eight faces
- oktahedron, bidang delapan
More languagesFewer languages
- octahedron in Vietnamese
- bát diện
Examples of octahedron in a sentence
- The octahedron is the dual of the cube. The icosahedron is the dual of the dodecahedron.
- The plesiohedra include such well-known shapes as the cube, hexagonal prism, rhombic dodecahedron, and truncated octahedron.
- Octahedra are also needed to make the packing of square-sharing cuboctahedra space filling (Fig. 2.4(c)).
Forms of octahedron
| plural | octahedra |
|---|---|
| plural | octahedrons |
| alternative form | octohedron |
Origin of octahedron
From Ancient Greek ὀκτάεδρον (oktáedron). By surface analysis, octa- + -hedron.
Words formed from octahedron
Questions about octahedron
- What does octahedron mean?
- Octahedron means a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
- What is octahedron in Hindi?
- Octahedron in Hindi is अष्टफलक (aṣṭphalak). See Octahedron meaning in Hindi.
- What part of speech is octahedron?
- Octahedron is a noun.
- What is the plural of octahedron?
- The plural of octahedron is octahedra.
Words near octahedron in the dictionary
Source and license
Adapted from Wiktionary: octahedron (page history and authors); octahedron (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Rho9998-octahedron.wav.
Cite this entry: “octahedron.” Word.ws, https://word.ws/octahedron. Based on Wiktionary, CC BY-SA 4.0.