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dodecahedron

noun [C]  /doʊˌdek·əˈhi·drən/ (plural dodecahedrons or dodecahedra  /doʊˌdek·əˈhi·drə/)

Definition

geometry a solid shape that has twelve flat surfaces of equal size, each with five sides
(Definition of dodecahedron noun from the Cambridge Academic Content Dictionary © Cambridge University Press)

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