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English definition of “dodecahedron”

dodecahedron

noun [C]     /ˌdəʊ.dek.əˈhiː.drən/ US  /ˌdoʊ-/ (plural dodecahedrons or dodecahedra   /-drə/   ) specialized
a solid shape that has twelve flat surfaces of equal size with five sides Geometrical shapesSpherical, circular and annular objects
(Definition of dodecahedron noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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