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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. A polyhedron with 12 faces.

Century Dictionary and Cyclopedia

  1. n. In geometry, a solid having twelve faces. Also duodecahedron.

Wiktionary

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

GNU Webster's 1913

  1. n. A solid having twelve faces.

WordNet 3.0

  1. n. any polyhedron having twelve plane faces

Etymologies

  1. Greek dōdekaedron : dōdeka, twelve; see dodecagon + -edron, -hedron.

Examples

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Comments

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  • bilby Don't jump to Conclusions! Nov 19, 2008

  • mollusque Yes, there are references to it at octopus, inner thesaurus and hippopotamonomatopoeia. But no one has made a Tollboth list yet . . . Nov 19, 2008

  • obikitty Has anyone here read 'The Phantom Tollbooth'? The dodecahedron was one of my favorite characters when I read it as a kid. Nov 18, 2008

  • milosrdenstvi It is often referred to by lower forms of life as a 'D12'. Aug 15, 2008

  • chained_bear Constructing? Just saying this is teh alsome! Aug 15, 2008

  • milosrdenstvi Constructing these is just totally awesome. I demonstrated it out of Euclid last year; basically you just mark off golden sections on a cube, raise equal lines perpendicularly, and connect the dots. I even made a model. Aug 15, 2008

‘dodecahedron’ has been looked up 1590 times, loved by 2 people, added to 32 lists, commented on 6 times, and has a Scrabble score of 20.