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pentatonic scale
pentavalent
pentazocine
Pentecost
Pentecostal
Pentelic marble
pentene
penthouse
pentimento
Pentland Firth
pentlandite
pentobarbital sodium
pentobarbitone sodium
pentode
pentosan
pentose
pentose phosphate pathway
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pentaprism
pen·ta·prism [ péntə prìzzəm ] (plural pen·ta·prisms)


noun 
Definition:
 
5-sided prism: a prism with five faces that deviates light at a 90º angle, making it useful in correctly presenting an image in the viewfinder of a single-lens reflex camera
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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