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Webster 1913 Edition
Dodecahedron
Do-decˊa-he′dron
,Noun.
[Gr. [GREEK]; [GREEK] twelve + [GREEK] seat, bottom, base: cf. F.
dodécaèdre
.] (Geom. & Crystallog.)
A solid having twelve faces.
☞ The regular dodecahedron is bounded by twelve equal and regular pentagons; the pyritohedron (see
Pyritohedron
) is related to it; the rhombic dodecahedron is bounded by twelve equal rhombic faces. Webster 1828 Edition
Dodecahedron
DODECAHEDRON
,Noun.
Definition 2024
dodecahedron
dodecahedron
English
A dodecahedron
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.
- 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.
- 1707, Thomas Blount, Glossographia Anglicana Nova: Or, A Dictionary, Interpreting Such Hard Words, D. Brown, heading DO–DO,
Related terms
- dodecahedral
- dodecadodecahedron
- great dodecahedron
- icosidodecahedron
- rhombicosidodecahedron
Translations
a polyhedron with 12 faces
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