icosahedron Hear it!

icosahedron definition

icosa·he·dron (ī′kō sə hēdrən)

noun pl. icosahedra -·he′·dra (-drə) or icosahedrons -·drons

a solid figure with twenty plane surfaces

Etymology: Gr eikosaedron: see icosi- & -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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