dodecahedron

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English[edit]

A dodecahedron

Etymology[edit]

From Ancient Greek δωδεκάεδρόν (dōdekáedrón).

Pronunciation[edit]

  • (UK) IPA(key): /ˌdəʊdɛkəˈhiːdrən/, /ˌdəʊdɪkəˈhiːdrən/
  • (US) IPA(key): /ˌdoʊdɛkəˈhiːdrən/
  • (file)

Noun[edit]

dodecahedron (plural dodecahedra or dodecahedrons)

  1. (geometry) A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
    • 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.

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