dodecahedron

== English == === Etymology === From Ancient Greek δωδεκάεδρον (dōdekáedron). Equivalent to dodeca- +‎ -hedron. === Pronunciation === (UK) IPA(key): /ˌdəʊ.dɛk.əˈhiː.dɹən/, /ˌdəʊ.dɪk.əˈhiː.dɹən/ (US) IPA(key): /ˌdoʊ.dɛk.əˈhiː.dɹən/, /doʊˌdɛk.əˈhiː.dɹən/ Hyphenation: do‧dec‧a‧he‧dron === Noun === dodecahedron (plural dodecahedra or dodecahedrons) (geometry) A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids. Synonym: duodecahedron 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. ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== === See also ===