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polyhedron

pol·y·he·dron [ pòllee hdrən ] (plural pol·y·he·drons or pol·y·he·dra [ pòllee hdrə ])


noun 
Definition:
 
many-sided solid figure: a three-dimensional geometric figure formed of many faces

[Late 16th century. < Greek poluedron "many-based figure" < hedra "base"]
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