Jisho

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Noun
1. polyhedronMathematics
Wikipedia definition
2. PolyhedronIn elementary geometry a polyhedron (plural polyhedra or polyhedrons) is a geometric solid in three dimensions with flat faces and straight edges. The word polyhedron comes from the Classical Greek πολύεδρον, as poly- (stem of πολύς, "many") + -hedron (form of έδρα, "base", "seat", or "face"). A polyhedron is a 3-dimensional example of the more general polytope in any number of dimensions.
Read “Polyhedron” on English Wikipedia
Read “多面体” on Japanese Wikipedia
Read “Polyhedron” on DBpedia

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