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Definition of: dodecahedron
(dō′dek·ə·hē′drən) noun plural ·drons or ·dra (-drə)
A solid bounded by twelve regular faces. [<Gk. dō-dekaedron, neut. sing. of dōdekadros <dōdeka twelve + hedra seat]
—do′·dec·a·he′dral adjective
A. Simple. B. Pentagonal.
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