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dodecahedron

Pronunciation: /ˌdəʊdɛkəˈhiːdr(ə)n, -ˈhɛd-/
Definition of dodecahedron

noun (plural dodecahedra /-drə/ or dodecahedrons)

  • a three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces.

Derivatives

dodecahedral

adjective

Origin:

late 16th century: from Greek dōdekaedron, neuter (used as a noun) of dōdekaedros 'twelve-faced'

dodecahedron in other Oxford dictionaries

Definition of dodecahedron in the US English dictionary

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