icosahedron Hear it!

icosahedron definition

icosa·he·dron (ī′kō sə hē′drən)

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.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.