Standard Lemma guide

dodecahedron

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /ˌdəʊ.dɛk.əˈhiː.dɹən/
  • UK: /ˌdəʊ.dɪk.əˈhiː.dɹən/
  • UK: Recorded audio is listed in the source snapshot.
  • US: /ˌdoʊ.dɛk.əˈhiː.dɹən/
  • US: /doʊˌdɛk.əˈhiː.dɹən/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

Examples

  • 1707, Thomas Blount, Glossographia Anglicana Nova: Or, A Dictionary, Interpreting Such Hard Words, D. Brown, heading DO–DO, 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.

Meaning relationships

Synonyms: duodecahedron

Antonyms: none provided

2

noun

Meaning 2

any polyhedron having twelve plane faces

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: polyhedron

History

Etymology

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

Across languages

Translations

54 source translations are retained for this English entry.

  • Armenian: տասներկուանիստ (tasnerkuanist) — a polyhedron with 12 faces
  • Azerbaijani: dodekaedr — a polyhedron with 12 faces
  • Catalan: dodecàedre — a polyhedron with 12 faces
  • Catalan: dodecaedre — a polyhedron with 12 faces
  • Chinese Mandarin: 正十二面體 /正十二面体 (zhèngshí'èr miàntǐ) — a polyhedron with 12 faces
  • Czech: dvanáctistěn — a polyhedron with 12 faces
  • Czech: dodekaedr — a polyhedron with 12 faces
  • Danish: dodekaeder — a polyhedron with 12 faces
  • Dutch: twaalfvlak — a polyhedron with 12 faces
  • Dutch: dodecaëder — a polyhedron with 12 faces
  • Esperanto: dekduedro — a polyhedron with 12 faces
  • Estonian: korrapärane dodekaeeder — a polyhedron with 12 faces
  • Finnish: dodekaedri — a polyhedron with 12 faces
  • Finnish: kaksitoistatahokas — a polyhedron with 12 faces
  • French: dodécaèdre — a polyhedron with 12 faces
  • Galician: dodecaedro — a polyhedron with 12 faces
  • German: Dodekaeder — a polyhedron with 12 faces
  • German: Zwölfflächner — a polyhedron with 12 faces
  • German: 12-Flächner — a polyhedron with 12 faces
  • Haitian Creole: dodekayèd — a polyhedron with 12 faces
  • Hebrew: תְּרֵיסָרוֹן (t'resarón) — a polyhedron with 12 faces
  • Hebrew: דּוֹדֶקָהֶדְרוֹן (dodekahédron) — a polyhedron with 12 faces
  • Hungarian: dodekaéder — a polyhedron with 12 faces
  • Icelandic: tólfflötungur — a polyhedron with 12 faces
  • Ido: dodekaedro — a polyhedron with 12 faces
  • Indonesian: dodekahedron — a polyhedron with 12 faces
  • Indonesian: bangun bersisi dua belas — a polyhedron with 12 faces
  • Irish: dóideacaihéadrán — a polyhedron with 12 faces
  • Italian: dodecaedro — a polyhedron with 12 faces
  • Japanese: 正十二面体 (seijūni mentai) — a polyhedron with 12 faces
  • Japanese: 十二面体 (jūnimentai) — a polyhedron with 12 faces
  • Korean: 정십이면체 (jeongsibimyeonche) — a polyhedron with 12 faces
  • Latvian: dodekaedrs — a polyhedron with 12 faces
  • Lithuanian: dodekaedras — a polyhedron with 12 faces
  • Malay: segi dua puluh — a polyhedron with 12 faces
  • Malay: dodekahedron — a polyhedron with 12 faces
  • Norwegian: dodekaeder — a polyhedron with 12 faces
  • Occitan: dodécaèdre — a polyhedron with 12 faces
  • Polish: dwunastościan foremny — a polyhedron with 12 faces
  • Portuguese: dodecaedro — a polyhedron with 12 faces
  • Quechua: chunka iskayniyuq uya — a polyhedron with 12 faces
  • Russian: додека́эдр (dodekáedr) — a polyhedron with 12 faces
  • Russian: двенадцатигранник (dvenadcatigrannik) — a polyhedron with 12 faces
  • Serbo-Croatian: до̀декае̄дар — a polyhedron with 12 faces
  • Serbo-Croatian: dòdekaēdar — a polyhedron with 12 faces
  • Spanish: dodecaedro — a polyhedron with 12 faces
  • Swedish: dodekaeder — a polyhedron with 12 faces
  • Tamil: பன்னிரண்டுமுக ஐங்கோணகம் (paṉṉiraṇṭumuka aiṅkōṇakam) — a polyhedron with 12 faces
  • Thai: ทรงสิบสองหน้า (song sìp sŏng nâa) — a polyhedron with 12 faces
  • Turkish: dodekahedron — a polyhedron with 12 faces
  • Ukrainian: додека́едр (dodekáedr) — a polyhedron with 12 faces
  • Ukrainian: дванадцятигра́нник (dvanadcjatyhránnyk) — a polyhedron with 12 faces
  • Vietnamese: khối mười hai mặt — a polyhedron with 12 faces
  • Welsh: dodecahedron — a polyhedron with 12 faces
Real reading context

dodecahedron in complete knowledge articles