dodecahedron
Syllables: do·dec·a·he·dron/ˌdəʊ.dɛk.əˈhiː.dɹən//ˌdoʊ.dɛk.əˈhiː.dɹən/
dodecahedron noun: a polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.

Noun
dodecahedron (plural dodecahedra or dodecahedrons)
- A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
- Dodecahedron, (Gr.) in Geometry, is a solid Figure of 12 Sides or Faces that are regular Pentagons, it is one of the Platonick or Regular Bodies.1707, Thomas Blount, Glossographia Anglicana Nova: Or, A Dictionary, Interpreting Such Hard Words, D. Brown, heading DO–DO
- It took me two years, but by the time I was 12 I could imagine the fifth four-dimensional polytope, which is made up of 120 dodecahedrons.2015 March 17, Diana Lutz, quoting Ivan Horozov, “Researcher builds four-dimensional figure in his office”, in Phys.org, archived from the original on 31 Aug 2025
- Synonyms:
- duodecahedron
dodecahedron meaning in Hindi, Tamil, Malay and Indonesian
dodecahedron in Hindi
- dodecahedron
- द्वादशफलक dvādaśphalak
dodecahedron in Tamil
- a polyhedron with 12 faces
- பன்னிரண்டுமுக ஐங்கோணகம் paṉṉiraṇṭumuka aiṅkōṇakam
dodecahedron in Malay
- a polyhedron with 12 faces
- segi dua puluh, dodekahedron
dodecahedron in Indonesian
- a polyhedron with 12 faces
- dodekahedron, bangun bersisi dua belas
More languagesFewer languages
- dodecahedron in Thai
- ทรงสิบสองหน้า song sìp sŏng nâa
- dodecahedron in Vietnamese
- khối mười hai mặt
Examples of dodecahedron 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.
- The deltoidal dodecahedron is another topological equivalence of a rhombic dodecahedron form.
Synonyms of dodecahedron
Forms of dodecahedron
| plural | dodecahedra |
|---|---|
| plural | dodecahedrons |
Origin of dodecahedron
From Ancient Greek δωδεκάεδρον (dōdekáedron). Equivalent to dodeca- + -hedron.
Words formed from dodecahedron
- dodecadodecahedron
- dodecahedral
- dodecahedrane
- dodecahedronic
- dyakis dodecahedron
- great dodecahedron
- hyperbolic dodecahedron
- hyperdodecahedron
- icosidodecahedron
- pentadodecahedron
- pentakis dodecahedron
- rhombic dodecahedron
- rhombicosidodecahedron
- rhombidodecahedron
- Roman dodecahedron
- Siamese dodecahedron
- snub dodecahedron
- truncated dodecahedron
Questions about dodecahedron
- What does dodecahedron mean?
- Dodecahedron means a polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
- What is dodecahedron in Hindi?
- Dodecahedron in Hindi is द्वादशफलक (dvādaśphalak). See Dodecahedron meaning in Hindi.
- What part of speech is dodecahedron?
- Dodecahedron is a noun.
- How do you pronounce dodecahedron?
- Dodecahedron is pronounced /ˌdəʊ.dɛk.əˈhiː.dɹən/ (UK).
- What is the plural of dodecahedron?
- The plural of dodecahedron is dodecahedra.
Words near dodecahedron in the dictionary
Source and license
Adapted from Wiktionary: dodecahedron (page history and authors); द्वादशफलक (Hindi) (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-dodecahedron.wav, en-us-dodecahedron.ogg, en-au-dodecahedron.ogg.
Cite this entry: “dodecahedron.” Word.ws, https://word.ws/dodecahedron. Based on Wiktionary, CC BY-SA 4.0.
