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pentapeptide
pentaploid
pentaprism
pentaquine
pentastich
pentastome
Pentateuch
pentathlete
pentathlon
pentatomic
pentatonic scale
pentavalent
pentazocine
Pentecost
Pentecostal
Pentelic marble
pentene
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pentahedron
pen·ta·he·dron [ pèntə hdrən ] (plural pen·ta·he·drons or pen·ta·he·dra [ pèntə hdrə ])


noun 
Definition:
 
5-faced figure: a three-dimensional geometric figure formed of five faces

pen·ta·he·dral adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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