dodecahedron
do·dec·a·he·dron/ˌdoʊ.dɛk.əˈhiː.dɹən/noun
dodecahedron is spelled D-O-D-E-C-A-H-E-D-R-O-N: 12 letters and 5 syllables (do·dec·a·he·dron). It appears about once in every 11 million words in written English, the 100,430th most frequent word form (wordfreq, 2021 data). As a noun, dodecahedron means “A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids” (English Wiktionary, September 2026). The plural of dodecahedron is dodecahedra or dodecahedrons.
How many letters and syllables are in dodecahedron?
| Letters | 12: D-O-D-E-C-A-H-E-D-R-O-N |
|---|---|
| Syllables | 5: do·dec·a·he·dron |
| In writing | about once in every 11 million words; the 100,430th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is dodecahedron?
Dodecahedron appears about once in every 11 million words in written English, the 100,430th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce dodecahedron?
- UK /ˌdəʊ.dɛk.əˈhiː.dɹən/
- UK /ˌdəʊ.dɪk.əˈhiː.dɹən/
- US /ˌdoʊ.dɛk.əˈhiː.dɹən/
Dodecahedron has 5 syllables, split do·dec·a·he·dron in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Rho9998-dodecahedron.wav, En-us-dodecahedron.ogg, En-au-dodecahedron.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of dodecahedron
- dodecahedra plural
- dodecahedrons plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does dodecahedron mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Dodecahedron in Spanish, French, German and Portuguese
In the sense a polyhedron with 12 faces:
| Language | Words |
|---|---|
| French | dodécaèdre |
| German | Dodekaeder, Zwölfflächner, 12-Flächner |
| Portuguese | dodecaedro |
| Spanish | dodecaedro |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does dodecahedron come from?
From Ancient Greek δωδεκάεδρον (dōdekáedron). Equivalent to dodeca- + -hedron.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).