Word.ws English Dictionary

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.

dodecahedron: a polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one...
Image: Variated by -- Peter Steinberg, CC BY-SA 3.0, via Wikimedia Commons

Noun

dodecahedron (plural dodecahedra or dodecahedrons)

  1. 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.

All 19 example sentences with dodecahedron

Synonyms of dodecahedron

Forms of dodecahedron

pluraldodecahedra
pluraldodecahedrons

Origin of dodecahedron

From Ancient Greek δωδεκάεδρον (dōdekáedron). Equivalent to dodeca- + -hedron.

Words formed from 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

  1. dodecagynous
  2. dodecahedra
  3. dodecahedral
  4. dodecahedrane
  5. dodecahedric
  6. dodecahedron
  7. dodecahedronic
  8. dodecahedrons
  9. dodecahemicosahedron
  10. dodecahistidine
  11. dodecahydrate

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.