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Definition of Pentahedron
1. Noun. Any polyhedron having five plane faces. 
Generic synonyms: Polyhedron
Definition of Pentahedron
1. n. A solid figure having five sides.
Definition of Pentahedron
1. [n -DRA or -DRONS]
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1. Noun. Any polyhedron having five plane faces. 
1. n. A solid figure having five sides.
1. [n -DRA or -DRONS]