parallelepipedon

from WordNet (r) 3.0 (2006)
parallelepipedon
    n 1: a prism whose bases are parallelograms [syn:
         {parallelepiped}, {parallelopiped}, {parallelepipedon},
         {parallelopipedon}]
    
from The Collaborative International Dictionary of English v.0.48
parallelepipedon \parallelepipedon\ n. (Geometry)
   Same as {parallelepiped}.

   Syn: parallelepiped, parallelopiped, parallelopipedon.
        [WordNet 1.5]
    

[email protected]