American Heritage® Dictionary of the English Language, Fourth Edition
- n. A polyhedron with 12 faces.
Century Dictionary and Cyclopedia
- n. In geometry, a solid having twelve faces. Also duodecahedron.
- n. geometry A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
GNU Webster's 1913
- n. (Geom. & Crystallog.) A solid having twelve faces.
- n. any polyhedron having twelve plane faces
- From Ancient Greek δωδεκάεδρον. (Wiktionary)
- Greek dōdekaedron : dōdeka, twelve; see dodecagon + -edron, -hedron. (American Heritage® Dictionary of the English Language, Fourth Edition)
“A dodecahedron is any polyhedron with twelve faces, but usually a regular dodecahedron is meant: a Platonic solid composed of twelve regular pentagonal faces, with three meeting at each vertex.”
“The hyperbolic dodecahedron is quite symmetric and has the same symmetry group as a regular dodecahedron.”
“To the ancient Greeks, the dodecahedron was a symbol of the Universe.”
“The most likely explanation is that the dodecahedron was a cult object for the Pythagoreans (dodecahedra in stone and bronze have been found dating back to prehistoric times) and that it was because of these religious connections that Hippasus 'public work on the mathematical aspects of the solid was seen as impious (Burkert 1972a, 460).”
“Plato would certainly have found the structure of C60 - an expanded dodecahedron, which is about as close to a sphere as you can get - to be an unusually beautiful body.”
“Place: -- the temporal mood of the Oversoul, playing through that particular facet of the dodecahedron, which is Greece.”
“Maybe I was wrong to tell "dodecahedron" that the leftie troll spots were taken.”
“There was a dodecahedron floating in front of me, in every direction.”
“I had seen a set of models of the regular polyhedra in my High School trig class, and decided that a “12-sided teetotum” must be the 12-sdied thingy (a regular dodecahedron) I had seen in the set.”
“If one were to make every one of the Platonic solids with edges of the same length, the dodecahedron would be the largest-wiki”
These user-created lists contain the word ‘dodecahedron’.
icosidodecahedron, dodecahedron, icosahedron, large hedron coll..., tippy hedron, cubicuboctahedron, great inverted sn..., rhombihexahedron, hosohedron, infinite skew pol..., permutohedron, strombic hexecont... and 12 more...
words and concepts reflective of their twelveness
Inspired by PossibleUnderscore's list of words overused in modern pop music.
Words that I may or may not use comfortably, but enjoy using and I like the sound of the word.
Thanks to all you Wordies out there flinging new words at my head. This one's for you.
List? What list?
This is the list that makes up the world.
because wordsmith is not a verb.
Looking for tweets for dodecahedron.