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polyhedron

noun [C]
 
 
/ˌpɒl.iˈhiː.drən/ US  /ˌpɑː.liˈhiː.drɑːn/ (plural polyhedrons, plural polyhedra /-drə/ ) specialized

Definition

a solid shape with four or more flat surfaces: A cube is a polyhedron.Geometrical shapesSpherical, circular and annular objects
(Definition of polyhedron noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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