icosahedron[ī′kō sə hē′drən]
icosahedron definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- icosahedral adjective
icosahedron definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
noun pl. i·co·sa·he·drons or i·co·sa·he·dra
A polyhedron having 20 faces.
Origin: Greek eikosaedron : eikosi, twenty; see wīkm̥tī- in Indo-European roots + -edron, -hedron.
- i·coˌsa·heˈdral adjective
icosahedron - Science Definition
Plural icosahedrons icosahedrons or icosahedra
A polyhedron having twenty faces.
- icosahedral icosahedral adjective