pentahedron Hear it!

pentahedron definition

penta·he·dron (pen′tə hē′drən)

noun pl. pentahedrons -·drons or pentahedra -·dra (-drə)

a solid figure with five plane surfaces

Etymology: ModL: see penta- & -hedron

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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