1560s, from Latinized form of Greek polyedron, neuter of adjective polyedros "having many bases or sides," from polys "many" (see poly-) + hedra "seat, base, chair, face of a geometric solid," from PIE root *sed- (1) "to sit" (see sedentary).
实用例句
1. Herein CaC 2 acted as reagent , but also as template for hollow polyhedron.
其中CaC2既是反应物, 同时也作为空心多面体的模板.
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2. To erect ( such a configuration ) around a polygon or polyhedron.
确定 ( 这样一个结构 ) 围绕一个多边形或多面体.
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3. Starch granule of powder endosperm arranged loosely and showed a polyhedron shape.
