prismoidal

prismoid

[priz-moid]
noun Geometry.
a solid having sides that are trapezoids and bases or ends that are parallel and similar but not congruent polygons. Compare prism ( def 2 ).

Origin:
1695–1705; prism + -oid

prismoidal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To prismoidal
Collins
World English Dictionary
prismoid (ˈprɪzmɔɪd)
 
n
a prismatoid having an equal number of vertices in each of the two parallel planes and whose sides are trapeziums or parallelograms
 
[C18: from French prismoïde; see prism, -oid]
 
pris'moidal
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature